... bearing puller ==> 轴承拉出器 bearing pulley ==> 轴承滑轮 bearing quality steel ==> 滚珠钢 ...
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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。
Pulley is the key to open and close the Ji'nan guardrail is not smooth, the use of rolling bearing nylon wheel.
其中、我公司生产的打捞抓斗，滑轮轴承采用迷宫式密封，这样使用寿命长。
One, our company produces salvage grab, seal, using labyrinth pulley bearing so long use life.
安装在密封滚珠轴承上的大型滑轮，有相当出色的效率。
Large sheave mounted on sealed ball bearings for high efficiency.
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