foot push screw 底脚螺钉
push-pull screw 推拉螺杆
Screw Push Pins 钉图钉
push rod adjustment screw 推杆调整螺钉
push block screw 推压装置螺钉
upper screw-down push button 上螺旋按钮 ; 上压下压按钮 ; 上部压下按钮
push rod adjustment screw locknut 推杆调整螺钉防松螺帽
The screw propeller is very efficient for push water.
在螺旋桨是非常有效的推水。
The concept of minimum limit push lead (MLPL) in the design of varying pitch screw is introduced and a comprehensive theoretical analysis is carried out.
提出了不等距螺旋设计中的最小极限推程问题，并进行了全面的理论分析。
For models with a screw-in crown, please push and screw the crown in as far as the stop.
对于一个螺旋式表冠，请尽量推动和停止螺旋型中的皇冠。
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