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。

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This machine equipped with the protection cover for the mounting head, clamps, lever and bead breaker shoe, to avoid the damage for the aluminum alloy rim.

该机配有拆装头保护套、保护垫、夹爪保护套、撬棍棒保护套和各靠胎铲防护套。在拆装铝合金轮辋时不会划伤轮辋。

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A control lever runs through a lower fertilizer passage below the fertilization box, with the upper end provided with a raised head which reaches an exit inside the fertilization box.

施肥箱下方的下肥道内贯穿有控制杆，上端设有凸头，达接在施肥箱内的出口上。

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So if you've ever seen or used an old school typewriter, you might recall that when you're typing something out on an old mechanical typewriter, - when you like hit the char-- when you hit the enter key to move the head back to the left hand side to the next line or you would pull down some lever, it was really a two part process.

如果你们有谁曾经看过或用过老式打字机，可能还记得，当你在,这种老式打字机上打字的时候，当你-,敲入回车键，跳转到,下一行的最左边，或者,拉一下杆，这个需要两步走。

哈佛公开课 - 计算机科学课程节选

And, in a move that caused more confusion, the government released X-rays of Bhutto's skull and said they show she died when the force of the explosion caused her head to slam into a metal lever on the sunroof.

CNN: Decision on Pakistan election delayed; new video emerges