drawbridge rail lock

网络释义

1.	吊桥式轨道锁 http://www.ptsgi.com/chinese... ... "吊桥式车钩"," Coupler,drawbridge" "吊桥式轨道锁"," Drawbridge Rail Lock" ... www.guandang.com
2.	开合桥钢轨锁闭器 “lock”什么意思？_百度知道 ... coupler knuckle lock 钩锁铁 drawbridge rail lock 开合桥钢轨锁闭器 duplex lock 双重锁(闭器) ... zhidao.baidu.com

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