1.
He tightened a few slack screws.
他把几个松动的螺钉拧紧了。
2.
Loosen screw of pointer on indicating dial, set pointer pointing to “CL0SE”, then fix screw .
松开开度指示盘上的指针螺钉，使指针与刻度盘上的“关”对齐，再将螺钉拧紧。
3.
a tightly screwed joint
用螺钉拧得很紧的接头
4.
He tightened up the screws.
他拧紧了那些螺钉。
5.
a tight lid;tight screws;a tight knot.
很紧的盖子；拧得很紧的螺丝钉；系得很紧的结
6.
Tighten the pressure regulator.
请拧紧压脚调节螺丝。
7.
Improper bolt tightening procedure.
螺栓拧紧程序错误。
8.
The handle has become loose, so screw up it, please.
把手松了，请用螺丝拧紧。
9.
The nut isn't tight enough yet: give it another screw.
螺母不太紧, 再拧一下吧.
10.
He screwed the box together.
他用螺丝把盒子拧紧。
11.
A screw has started. Tighten it.
一个螺丝松了，把它拧紧。
12.
Research on the Screwing Technology & Design of the Screwing Control System;
螺纹拧紧技术研究及拧紧机控制系统设计
13.
When the nails are screwed in, they will stay in.
螺钉拧进去以后，就固定不动了。
14.
screw all the parts together
用螺丝钉把所有部件都拧在一起.
15.
Method of tightening test for threaded fasteners
GB/T16823.3-1997螺纹紧固件拧紧试验方法
16.
Hold puller screw and tighten puller nut until bushing is remove
握紧拉拔器螺栓，拧紧拉拔器螺母，直至拆下衬套。
17.
A tool for clinching nails, screws, or bolts.
紧钳固定钉子、螺丝或螺丝钉的工具
18.
Lock ring with scre
GB/T884-1986螺钉锁紧挡圈