查询词典 rotational energy

While different rotational speed and different mounting angle of blade, the air velocity in the blowing pipe, the energy for conveyance of chopped material and the corresponding throw distance were measured and studied.

在不同转速和不同叶片倾角下，对叶片式抛送装置的气流流场、功耗及抛送距离进行了试验研究。

Straight drives the type battery solution servosystem use exchange servo electrical machinery to replace traditional the electrohydraulic servo valve, through changes the pump the rotational speed to change its delivery rate, synthesized above the two merit, has the energy conservation highly effective, the volume small, the structure simple, requests to the fat liquor filtration precision low also easy to realize the computer control and so on the remarkable merit, is one of present hydraulic control recent development directions.

直驱式电液伺服系统使用交流伺服电机代替传统的电液伺服阀，通过改变泵的转速来改变其输出流量，综合了以上二者的优点，具有节能高效、体积小、结构简单、对油液过滤精度要求低且易于实现计算机控制等显著优点，是目前液压控制新的发展方向之一。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。