pulleys怎么读，pulleys什么意思，pulleys短语和例句

1.They rigged up a tent-shaped scaffold directly above the tip of the horizontal column, with pulleys suspended from the scaffold's apex.

他们在水平立柱的顶端正上方安装了一个帐篷状的脚手架，在脚手架的顶端悬挂滑轮。

2.Levers and pulleys are simple machines.

杠杆和滑轮是简单机械。

3.In high school we learned a lot of laws about pulleys and levers used in different ways.

在高中我们已学过许多有关不同用途的滑轮和杠杆的定律。

4.The technician there told me my pulleys are not the problem, don't waste money on that.

店里的人跟我说，脚踏车的齿轮没什麽问题，不需要浪费钱。

5.There are cranks and pulleys, beltings tight or slack.

有曲杆与滑车，还有皮带或紧或松。

6.Pulleys, suspension, circus-like moves and of course, lighting, added to the allure.

滑轮，悬架和像马戏团一样的移动，当然还有灯光，也增加了它的吸引力。

7.The inline, super-efficient twin-belt drivetrain features oversized pulleys with optimum 1.7 internal ratio.

内嵌，超高效双带特点传动系统过大皮带轮与优化1.7内部的比例。

8.What is the use of pulleys?

滑轮的作用是什么？