单词:hydraulic efficiency pressure nozzle
单词:hydraulic efficiency pressure nozzle 相关文章
Lucy likes to finish it off, meaning she likes to finish doing her hair, with a little hairspray. 露西喜欢最后喷一点头发定型剂,意思是她打理头发的最后步骤。 Hairspray, hairspray, (one word) is liquid that you put on a lar
ork Pressure Work pressure refers to the compelling force or influence that comes from one's work. Nowadays with the competition in the work field becoming more and more fierce (激烈), work pressure has become a serious problem for every person. It
for when you shut the bellows, the valve cannot close the air-hole because of your finger, 因为, 当你关闭风箱把手时, 你的手指使得阀门无法关闭空气进出的圆孔, and most of the air then escapes through this hole instead of g
外部设施 information desk 服务台 hotel register book 旅客登记簿 registration form 登记表 newsstand 售报处 postal service 邮局服务处 shop 小卖部 bar 酒吧间 lounge 酒店大厅 billiard-room 台球房 dining-room, dining ha
在上一讲中我们跟您谈了生产和经济活动中的效率,也就是efficiency,包括: 1 productive efficiency 生产效率 2 allocative efficiency 配置效率 3 dynamic efficiency 动态
By Gary Garriott Broadcast: November 25, 2003 This is Steve Ember with the VOA Special English Agriculture Report. From the beginning of human history, people have used oils from seeds and nuts. Most
mattress 褥子 quilt 被 blanket 毯子 sheet 床单 bedspread 床罩 cotton terry blanket 毛巾被 pillow 枕头 pillow 枕头 pillowcase 枕套 mat 席 cushion 垫子 bathroom 浴室 bath tub 浴盆
Oil spill, Day 42 of this oil spill in the Gulf of Mexico. Still there is no end in sight for this crisis. Right now take a look with me. Work under water and under way to place a custom built dome over that ruptured well. Remember that effort top ki
Congressional investigators say three previously undisclosed defects in a critical safety device may have contributed to the massive oil spill in the Gulf of Mexico. The rig was owned by Transocean and leased by energy company BP. NPR's Peter Overby
Agriculture Report - Improving 'Feed Efficiency' in Cattle 农业报道 - 提高牛的饲养效率 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Animal feed is the bigge
Study: No Evidence Hydraulic Fracturing Pollutes Water A new study finds no evidence that the controversial practice to extract natural gas known as hydraulic fracturing is contaminating ground water. The report, Separating Fact from Fiction in Shale
You pump it at a high pressure through a nozzle. You create a spray of detergent. 你用高压将它压过一个喷嘴,你制造了清洁剂喷雾。 Then the spray dries. It turns into powder. It falls to the floor. 喷雾干燥后就成了粉末,
Without my noticing it? 我怎么一点都不觉得? Without your noticing it. And if you aren't crushed by so much pressure, it's because the air penetrates the interior of your body with equal pressure. 您一点不觉得。您所以不被这样大
AGRICULTURE REPORT - How to Strike Oil (From Seeds, That Is) By Gary Garriott Broadcast: Tuesday, July 19, 2005 I'm Jim Tedder with the VOA Special English Agriculture Report. Where cottonseed oil beg
By Mike O'Sullivan Los Angeles 16 November 2007 Auto makers who are showcasing their latest models at the Los Angeles auto show are expanding product lines in the hope of staying competitive in a changing market. Mike O'Sullivan reports, carmakers fr
He was riding the LIRR to Oyster Bay. He saw beautiful scenery everywhere. But he also saw graffiti everywhere. There must be a way to stop graffiti, he thought. He did some research. He developed a design for a graffiti-buster. He presented it to a
Its been a long time since Ive seen my friends Steve and Liz, and I thought this would be a good weekend to drive up to Santa Barbara to see them. Gas prices have been through the roof, but I decided to take the short road trip anyway. Before getting
How oft, when thou, my music, music play'st, Upon that blessed wood whose motion sounds With thy sweet fingers, when thou gently sway'st 你是我的音乐,当你在幸运的琴键上弹奏乐章,你轻柔的手指拂过键盘,于是琴弦上随指