装在滑轮上的
It's mounted on a pulley
以上为机器翻译结果,长、整句建议使用 人工翻译 。
风扇常常装在水泵轴的伸出物上,由安装在曲轴前段的滑轮上的v带驱动。
The fan is usually mounted on an extension of the water pump shaft and is driven by V-belt from a pulley mounted on the front end of the cramshaft.
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