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【简答题】
液压泵每转一,由其密封容积几何尺寸变化而排出液体的体积叫做液压泵的( )。
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皮皮学刷刷变学霸
举一反三
【简答题】请你总结下正常焦虑情绪与焦虑症的区别。
【简答题】The process by which organizations monitor their environments and identify the opportunities and threats affecting their business is known as environmental watching. ()
【简答题】[ˈækses] the opportunity or right to use sth or to see sb/sth
【单选题】Compared with the conditions in other places, what are Arizona's advantages?
A.
More opportunities for rise in position.
B.
Good weather and low living cost.
C.
Convenient shopping centers.
D.
High salary and comfortable life.