按草图锻造一把专用扳手。
该装置主要由调整座、丝杠、斜齿条和专用扳手组成。
The new unit is mainly made up of adjusting base, leading screw, diagonal rack and special spanner.
用专用扳手按指示要求转动操作键90度即可实现开关。
With special spanner according to instruction and requirement to roll operational key 90 degree, so that can achieve to open and close.
介绍一种用于回收井下巷道支护锚杆的专用扳手的开发，设计和在井下现场的使用效果。
This paper presents the development, design and performances of a specialized wrench for retrieving bolts which are used to support the longwall headings.
另外还要带上桶盖密封圈、湿麻袋、少量沙子，以及专用扳手、干粉灭火器等，以备不时之需。
Besides, lid seal, wet sacks, a small amount of sand, and the special wrench, dry powder extinguishers are also needed for expectation.
拉出前，先要开圆盘背面的圆螺母锁片，用钩形扳手拧下圆螺母，再用专用拉子将圆盘拉出。
Pull out before you want to open on the back of the circular disk lock plate with hooks, nut spanner remove round nut, reoccupy special pull the son will disc pull out.
拉出前，先要开圆盘背面的圆螺母锁片，用钩形扳手拧下圆螺母，再用专用拉子将圆盘拉出。
Pull out before you want to open on the back of the circular disk lock plate with hooks, nut spanner remove round nut, reoccupy special pull the son will disc pull out.
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