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1·The microstructure, chemical composition and hardness of cracked jaws of wire clippers were detected and analyzed.

对已开裂断线钳钳头的显微组织、化学成分和硬度进行了检测和分析。

2·The utility model relates to a machine tool, particularly mechanical wire clippers which are used for opening the locking bar of the reinforcing lock of a boxcar on the railway by shearing.

机械断线钳涉及一种机械工具，特别是用于将锁杆剪断以达到开启铁路货车车厢加固锁目的的一种断线钳。