hook lever 钩杆
hook lock lever 吊钩锁定操纵杆
hook control lever 吊钩操纵杆
hook control lever position 吊钩操纵杆位置
pipelayer hook control lever 铺管机吊钩操纵杆
shoe lever hook 鞋形杆钩
operating lever hook 操作杆钩
lever hook 杠杆钩
hook winch control lever position 吊钩铰盘操纵杆位置
Are generally installed in the boom when the hook head, sliding to the limit position, then hold the lever.
一般都装在起重臂的头部，当吊钩滑升到极限位置，便托起杠杆。
A wooden lever with a movable metal hook near one end, used for handling logs. It is similar to a peavey but has a blunt tip, often with teeth.
一端附近有可移动金属钩的木制杠杆，用来搬运木头。类似尖头搬钩，但有一常带齿的钝顶。
The EOD Rope hook set is composed of hook, rope, fixed pulley, adjustable lever, clamp, multi-function clip and disk.
排爆绳钩组是由钩、绳、定滑轮、可调节杆、卡紧器、多功能工作夹、吸盘等多种器材组成。
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