Anna comes to a window and jumps out onto a window washer's pulley. She raises herself up to see the ships arriving.(安娜走到一扇窗前，跳出去，落到一个擦玻璃工人用的滑车中。她把自己提到空中，看着一些船到来。)
The children contrived a pulley to lift things into their tree house.(这些小孩子设计了一个滑轮，可以将东西吊进他们树上的房子。)
Pulley is the key to open and close the Ji'nan guardrail is not smooth, the use of rolling bearing nylon wheel.(滑轮是济南护栏启闭是不是顺利的关键所在，应运用滚动轴承尼龙轮。)
The life of the pulley, when will end.(生命的滑轮，何时才会结束。)
So here is that object and here is the string and a pulley and here a string.(物体和绳子相连,滑轮，细绳。)
Pulley group is a kind of lifting accessories.(滑轮组是起重配件的一种。)
The belt started wrapping up on the tractor pulley.(皮带开始绕在拖拉机的皮带轮上。)
We want to use this pulley.(我们需要使用这个滑车。)
Remove water pump belt pulley.(拆下水泵皮带轮。)
The key was to use a pulley system that would magnify the applied force.(关键是要使用滑轮系统，以扩大其作用力。)
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