Fuel injection pump assembly, should view the plunger positioning screw gasket roller pin, such as body positioning, such as whether the omission.

喷油泵总成，应该把位置，如身体，如柱塞定位螺钉密封滚针，是否有遗漏。

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This article introduced the double pin roll breaker's survey and the tooth profile and the roller tooth arrangement design situation analysis briefly.

介绍了双齿辊破碎机的概况和齿形与辊齿布置设计情况。

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Wrist pin end carried on double row long cylindrical roller bearing.

连杆小端装有双列长圆柱滚子轴承。

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The idea being that a pin and roller style music box is inserted into the movement of a traditional mechanical wrist watch.

FORBES: Luxury Music Box Wrist Watch Plays "Strangers In The Night"