In larger sizes, force pipes together by means of a "pull lift" or lever hoist attached by slings around the outside of the pipes.

对于较大口径的管道，则可通过用环绕在管道外壁的绳索固定的“拖拉”或者杠杆将管道组对起来。

youdao

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

We may never plumb the full intentions of the man or woman preparing to pull the lever in a voting booth...but in the next decade we may at least grow more comfortable with the result.

FORBES: Computing Desire