...Safety chain）接在手链卡扣的两端，如果手链的卡扣松开了，珠子（charms）不会马上从手链上滑下来。有了安全链（Safety chain），给手链上锁的时候会比较容易。
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... 备用电路断路器 up circuit breaker 安全链备用电路 safety chain 备用电路,备用回路 spare circuit ...
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electric safety chain 电气安全回路
safety chain hook 安全链钩
intermediate safety chain 中间保险链
body safety chain eye 车体安全链挂
brake beam safety chain eye 闸杆安全链眼
safety chain eye 安全链眼
brake beam safety chain 制动梁安全链
Safety Chain Lock 安全连锁
N a chain on the fastening of a bracelet, watch, etc, to ensure that it cannot open enough to fall off accidentally (手链、手表等防止突然开口掉落的)安全链条 (Also called guard)
Own turn bale devices, electrical safety chain lock.
自带翻包装置，电动安全联锁。
The bolts at bent links of safety chain should be secured by double nuts.
使用在弯曲连接器的安全螺栓必须用双螺帽固定住。
Check safety chain hookup. Make sure all warning lights are hooked up and functioning correctly.
检查安全链，确认所有的警示灯是正确连接好了。
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