单词：cycloidal pin gear speed reducer
单词：cycloidal pin gear speed reducer 相关文章
在今天我们要讲的两个习惯用语里，一个关键的字就是：pin。Pin这个字单独用的时候可以解释为：别针。但是，pin这个字也有不少和其他字合在一起用的时
美国习惯用语
Libyan rebels and government forces have staged several offensives in the battle for control of the country. To get a clearer picture of the situation on the ground, VOA's Susan Yackee spoke to our correspondent Phil Ittner who is currently in the op
VOA标准英语2011年(三月)
By Mary Morningstar Washington 25 July 2007 Country legend George Jones once wrote a letter to Brad Paisley that said, I am counting on you to carry on the tradition and make folks sit up and listen to what good Country music should sound like. As VO
2007年VOA标准英语（七月）
United Nations talks on climate change are nearing a close with no clear consensus yet in sight. The meeting is aimed at laying the groundwork for progress at a major climate change meeting in Mexico later this year. While many of the negotiators for
VOA标准英语2010年(十)月
英文 Top100精选绘本（PDF文本下载） 更多儿童英语： 汪培珽儿童英文分级书单《神奇树屋》 唐顿庄园 爱探险的朵拉
英文Top100精选绘本
英文 Top100精选绘本（PDF文本下载） 更多儿童英语： 汪培珽儿童英文分级书单《神奇树屋》 唐顿庄园 爱探险的朵拉
英文Top100精选绘本
Diet and the Brain A study in the Proceedings of the National Academy of Sciences finds that brain chemicals linked to addiction are in play with a high-sugar diet, and a study in the Archives of Internal Medicine shows that a high-carb diet had last
60秒科学
Expedite climb to FL190. 21.加速上升到高度190。 Climb to FL280 expedite until passing FL180. 22.上升到高度280，快速通过高度180。 Unable to expedite climb due weight. 23.由于重量原因不能加速上升。 Descending immediate
飞行员英语900句
Details about Samsung's next big smartwatch have been trickling out for weeks. But now a new report gives us the most detailed look yet Samsung's next wearable. 关于三星下一代智能手表的细节已流传数周。但现下有一份新报告向我
阅读空间
The sixth FIFA Women's World Cup kicks off in Germany in June, with the team from the host nation as the two-time defending champion. The United States women's soccer team won the gold medal at the 2008 Beijing Olympics and is ranked number-one in th
英语新闻
BEIJING, Feb. 5 (Xinhua) -- China will make more efforts to reduce PM 2.5 pollutants, as well as other pollutants, a government official said Tuesday. A national obligatory target will be set to limit PM 2.5 emission, which is a fine particulate matt
英语新闻
BEIJING, Sep. 1 (Xinhuanet) -- A campaign is being launched across U.S. to help lovers of sugar drinks reduce their habit by the Center for Science in the Public Interest. This campaign is based on the findings of a new survey conducted by CDC (Cente
英语新闻
highway code交通法规; traffic sign交通标志; accelerate加速; brake刹车; engage the clutch接上离合器; change gear变速; start up起动; decelerate减速; top speed最高速度; park停车; switch off the motor熄火 本文由在线英语
雅思英语
Girl you melt me like ice and whiskey But those blue flinin looks that you give me, You can't hide what's inside And it's killing me right now to see you wanna slip off me, dear Why should we go round and round the truth, like we didn't do it? Every
美国乡村音乐