reciprocating time ratio 纯钻进时间率
This may be done in a reciprocating screw machine where one charge at a time is brought to curing temperature.
这可能是在做往复螺杆机，其中一名主管在一个时间是带来的固化温度。
The dynamical computing of crankshaft reciprocating-piston compressor has been using graphics or hand-computation for a long time, which means heavy working capacity and low precision.
曲轴往复活塞压缩机动力学计算，长期以来沿用着图解法或手算法，其工作量大、精确度低。
The double acting reciprocating mud pump one time every two suction drainage action.
而双作用式泥浆泵每往复一次完成两次吸排水行动。
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