spring catch

常见例句

A spring biases the catch section radially inward.
和弹簧，其径向向内偏压该保持部分；
ip.com
The C type spring catch can't be used as the retainer of the rail joint due to the restriction of the railroad construction.
由于轨道结构条件制约，钢轨接头扣件应用C型弹条受到限制。
With consummate skill he has set his trap with a hair spring to catch comfort and independence, and then, as he turned away, got his own leg into it.
他运用娴熟的技巧，把一根细弹簧设成了一个陷阱，想捕获安逸和自立，但是还没等转身，自己的一条腿就陷了进去。
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