Swivel Chain(斗链), 此释义来源于网络辞典。
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... swivel chain转动链 swivel chair可数名词旋转椅 swivel gun可数名词回旋式枪炮 ...
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swivel-chain 旋转链
chain swivel 锚链旋转环 ; 锚链转环
double-row chain swivel 双排链轮轴
anchor chain swivel 锚链转环
When using the swivel chain between two cars, again through the bolt will turn on both ends of the chain (meet) the pin hole up and down together, and then the bolt locking.
使用时将转环链放于两车之间，再通过插销将转环链两端（碰头座）的上下销孔连接在一起而后将插销锁紧即可。
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