单词:pilot operated directional control valve
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Lesson 9 Dialog1: fill an order(完成定单) F: So Dement, Style plus has a well-defined(明确) market niche. M: Yes,and their market is growing. F:and you said they can not keep up with the demand. M: Thats right, they are getting more orders than they
Without the Sun we wouldnt be here. It is the source of our heat, light and energy. It is enormous, bigger than we could imagine; yet its very small compared to other suns in the universe. Its unbelievable to think how much the sun burns. Its just a
Are We Safer Without Pilots in the Cockpit? 如果驾驶舱没有飞行员的话,我们会不会更安全点呢? Last month, 150 people were killed when Germanwings Flight 9525 crashed in the French Alps. Officials say the co-pilot flew the airpl
This is the VOA Special English Health Report. Doctors currently identify autism disorders by observing behavior. Autism affects social and communication skills. It usually first appears in young children. Now, researchers in the United States think
There were protests in Berkeley, Missouri, one night after a white police officer shot and killed ablack 18-year-old. Police say Antonio Martin had pointed a gun at the officer,before the shooting. Islamic State militants in Syria have captured a Jor
mystery flight 370 let us get start, good evening everyone more news development tonight in the disappearance of Malaysia airline flight 370, just like everyone we brought you in the last ten days vanished deep in the mystery but also linked criticis
unit 573 探望朋友 dialogue 英语情景对话 A:I am sorry to hear that you are not feeling well. How are you? A:听说你病了,我很担心。你怎么样了? B:Thank you. I was operated on for gastric ulcer. B:谢谢。我患胃溃疡动了手
Amanandhissonwereridinginthecar. Themansaidtohisson,Couldyoucheckandseeifthedirectionlightsareworkingonyoursideofthecar? Hissonlookedoutthewindowandsaid,Yes,no,yes,no,yes,no,yes,no... Notes: 1.Amanandhissonwereridinginthecar. 有一个男人和他儿子
妈妈出差期间爸爸和丹尼尔的衣服只能自己洗,但偏偏在这个时候洗衣机坏了。幸好楼下有投币洗衣机,但好事多磨,他们又碰到什么问题了呢? Listen Read Learn Daniel: Dad, something wrong with our w
If you have two hands, you cant help but applaud the original Clapper. First sold in 1985, it worked with a lamp or any other electric device. You plugged the Clapper into an outlet. Then you plugged your lamp into the Clapper. By clapping twice, you
中文 英文 缩写 顶侧板 top-side door 顶盖 top cover 顶面板 top panel 定长方式 fixed-length mode 定长码 fixed-length code 定界符 delimiter 定力矩扳手 torque wrench 定时 ti
Authorities think so, and they've designed simulators that shake, rattle, and roll Ted Landphair | Washington DC 25 March 2010 U.S. space agency simulators help prepare airplane pilots for crisis situations. But critics say they don't adequately repl
Pakistani troops have killed at least 84 Taliban fighters and lost five of soldiers in two days of clashes in a northwestern tribal region believed to be a militant stronghold. Top military officials in Pakistan say that clashes in the Orakzai tribal
'Drones' Examines Complexities of Remote-control Warfare In his drama Drones, filmmaker Rick Rosenthal poses complex security, political and ethical questions about drone attacks in the ongoing war against global terrorism. Rosenthal builds a tense c
They published the data, 他们发布了这些数据, and it actually transformed clinical practice in the country. 而这一举动改变了整个国家的临床实践。 Everybody saw this makes a lot of sense. 大家都发现这样做很有意义。
导购口语: What kink of toy would you like? 您喜欢那种玩具? How about the plastic panda? A toy panda is the best present. 这塑料熊猫怎么样?玩具熊猫是最好的礼物了。 How about some dolls? Girls of that age are especial
Tekapo is a special place. This small town has a big observatory at Mount John, 1000m above the town. It has six telescopes including New Zealands biggest telescope with a diameter of 1.8m, built with Japanese money. The observatory is operated by th
本期内容: A report by Indonesian investigators into last Decembers crash of AirAsia Flight 8501, in which 162 people died, blamed failures of equipment and communication. The Airbus A320s rudder-control system malfunctioned; attempting a fix, t
JAKARTA, Aug. 16 (Xinhua) -- Indonesian transport ministry said on Sunday that local resident have reported that they have seen the missing plane hit a mountain. According to the (local) community, the plane hit Mount Tangok in Pengunungan Bintang di
tangle n.混乱状态 v.处于混乱状态 temperament n.气质, 性情, 易激动, 急躁 texture n.(织品的)质地, (木材, 岩石等的)纹理, (皮肤)肌理, (文艺作品)结构 thigh n.大腿