Shuttle race body screw 梭床体固定螺钉
hydraulic head body screw 液压装置壳体螺钉
Oil pump body set screw 机油泵体固定螺钉
body of screw 螺钉体
valve body cap screw 阀体盖螺钉
Body Positioning Screw 车体定位螺丝
screw wing body 螺旋棱体
angle swivel screw-body 卡套式铰接接头体
The body screw back into place, gently open the little front-end ball valve, using compressed air to the drainage system of impurities, water, oil draining;
将阀体拧回原位，前端球阀轻轻打开一点，用压缩空气将排水系统内的杂质、水油排空；
螺杆与泵体紧密贴合。
Therefore, the pump body and screw cylindrical surface and screw and screw clearance should be as small as possible.
因此，泵体与螺杆外圆表面及螺杆与螺杆间隙应尽可能小些。
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