Install the sealing washer, flat washer and nut as described in the Floor.
如同在底板固定一节里所记述的那样，安装密封垫圈，平面垫圈及螺。
Our company Specially offer Threaded Rod and Flat Washer, also together with Nut.
我们公司主要生产牙条，垫圈，还有螺母。
Our company Specially offer Threaded Rod and Flat Washer, also together with Nut.
我们公司主要生产牙条，垫圈，还有螺母。
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