the fixed screw holes 固定螺丝孔
Holes For Screw 螺栓孔 ; 螺孔
Knurled screw with radial holes 带孔滚花螺钉
long screw drilled dry-holes 长螺旋干成孔
Reaming holes for screw stays 为固定螺钉用的铰孔
Rewiming holes for screw stays 为不变螺钉用的铰孔
Screw holes on all sides; easy to mount on the wall or under a table top.
旁边有螺丝孔；便于安装在墙上或桌面底下。
The second applies to a special closed-wide bearings, which have a gap and a positioning screw holes.
第二种适用于特殊全封闭的轴承，其一头有间隙并有定位螺丝孔。
The drawback to this design is that gas leakage can potentially occur through the attachment screw holes.
的弊端，这个设计是气体泄漏可能发生的通过实习螺丝孔。
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