卡子是一种装饰品，发卡的一种俗称，可以装饰发型。
n. checkpost ; fastener ; escapement
vt. clip
注意：在有些绞车辊筒的一边配了固定的活绳头卡子。
Note: some drawworks are equipped with a fixed clamp on the side of the drum.
这个箱子的盖子非常沉重，上面有一把锋利的大铁卡子。
The chest had a large heavy lid with a large sharp iron lock.
把刚割断的快绳头装到绞车辊筒内，用扭矩扳手上紧活绳头卡子。
Install newly cut fast line into the drawworks drum and fasten the clamp with the torque wrench.
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