1.
Improper bolt tightening procedure.
螺栓拧紧程序错误。
2.
tighten up
密封, 拉紧, 拧紧
3.
Starting 180 degrees from last pilot bolt, tighten 3 large bolts all the way (any sequence).
从最后一个导向螺栓开始每隔180度，将3个大螺栓分别拧紧全部行程（按任何顺序）。
4.
Starting 180 degrees from the last pilot bolt, tighten 3 large hole bolts 3/4s of the way (any sequence).
从最后的导向螺栓开始每隔180度将3个大孔螺栓分别拧紧全部行程的3/4（按任何顺序）。
5.
Place the shield disk (3) on the balance. Turn the disk counterclockwise until it stops and is secured.
将屏蔽或隔离环(3)装到天平上,左旋拧紧将如下各件按顺序安装
6.
Probably just needs tightening.
大概只需拧紧一点。
7.
Make sure the top is screwed back tightly onto the jar.
一定要把罐子盖拧紧。
8.
a tightly twisted woolen yarn.
一种拧得很紧的毛纺线。
9.
Tighten the pressure regulator.
请拧紧压脚调节螺丝。
10.
a tightly screwed joint
用螺钉拧得很紧的接头
11.
The handle has become loose, so screw up it, please.
把手松了，请用螺丝拧紧。
12.
The nut isn't tight enough yet: give it another screw.
螺母不太紧, 再拧一下吧.
13.
He screwed the box together.
他用螺丝把盒子拧紧。
14.
He tightened up the screws.
他拧紧了那些螺钉。
15.
A screw has started. Tighten it.
一个螺丝松了，把它拧紧。
16.
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
17.
Method of tightening test for threaded fasteners
GB/T16823.3-1997螺纹紧固件拧紧试验方法
18.
He gave it another screw and the lid was tightly on.
他又拧了一下,盖子就紧紧旋上了。