The new unit is mainly made up of adjusting base, leading screw, diagonal rack and special spanner.
该装置主要由调整座、丝杠、斜齿条和专用扳手组成。
With special spanner according to instruction and requirement to roll operational key 90 degree, so that can achieve to open and close.
用专用扳手按指示要求转动操作键90度即可实现开关。
Convenience : The water chestnut of the screw can fit exactly into this special desighed spanner, which avoids the problem of slipping out as using the normal jack handles.
简便：可以避免一般千斤顶在负载时必需双手操作或摇杆容易脱钩的缺点，配套的扳手与菱角螺杆起着互相固定的作用。
This paper describes the design and application of a new type of weatherstrip rolling device where low-velocity, fixed-torque aerodynamic spanner and special roller head is employed.
介绍了一种利用低速定扭矩气动扳手配置专门滚压夹头的新型密封条滚压装置的设计与应用。
When connecting bus duct, standard fastener and special elastic washer are used, and fastened with torque spanner, to keep electrical contact in good manner.
母线槽的连接采用标准紧固件和特制弹性垫圈，并用扭力扳手旋紧，保护接触良好。 。
When connecting bus duct, standard fastener and special elastic washer are used, and fastened with torque spanner, to keep electrical contact in good manner.
母线槽的连接采用标准紧固件和特制弹性垫圈，并用扭力扳手旋紧，保护接触良好。 。
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