... contour ladder lock 你知道箱包印花【箱包】箱包常用中英文词汇对照弯形梯扣 ladder lock 梯扣 slide+loop 日型环+耳 ...
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ladder bed lock 云梯锁定装置
plastic ladder slip lock 塑料扣件或塑料防滑扣
ladder r lock 消防梯架空销定器
ladder r bed lock 云梯锁定装置
Ladder lock closure system offers adjustability for custom fit.
梯子锁封闭系统提供定制适合的可调节。
Open the ladder fully and lock the spreaders in place.
把梯子完全打开，锁住插销。
The design thought of trick lock is emphatically described. And its ladder diagram program is also given.
着重叙述了其关键部分密码锁的设计思想，并给出了密码锁控制的梯形图程序。
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