在平垫圈和螺母之间还装有弹簧垫圈。
A spring gasket is also arranged between the flat gasket and the nut.
现在我厂主要生产紧固件产品中的螺母、平垫圈类系列的产品。
Now my main production plant in fasteners products nut, plain washer series products.
现在我厂主要生产紧固件产品中的螺母、平垫圈类系列的产品。
Now my main production plant in fasteners products nut, plain washer series products.
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