power screw 螺旋传动 ; 传动螺旋
hand-power screw press 手动螺旋压力机 ; 手动螺旋压机
Fan power for screw 螺杆风机功率
high power screw press 高能螺旋压力机
power-driven screw-jack set 电动螺旋起重机组
screw horse-power 螺旋桨马力
power screw driver 动力起子
Screw heating power 螺杆加热功率
But because it now oil and chemical use screw compressor for flow and pressure from the shaft power, high demands, at present basically also rely on imports.
但由于目前石油和化工用螺杆式压缩机对流量、排出压力、轴功率等要求较高，目前基本上还依赖进口。
Power reached the screw axis, Driven by the star wheel rotating screw.
动力传到螺杆轴上，由螺杆带动星轮旋转。
It was observed from examples that eccentricity of drill string had major effect on the axial flow rate of Power-law screw fluid when the other parameters were invariant.
从算例可以发现：在其它参数不变的情况下，钻柱的偏心对幂律流体螺旋流轴向流量的影响非常大。
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