But wear and tear of them isn't serious in the roller of arc springtooth, and the malfunction rate is low, and the capacity of collecting plastic film residue is strong.
而弧型捡膜滚筒工作时工作部件磨损不严重，故障率低，捡膜能力强。
2
Tooth claw assembling must tighten the nuts and note don't short-shipped spring washers.
齿爪装配时一定要将螺母拧紧，并注意不要漏装弹簧垫圈。
3
My company mainly manages the bolt, the nut, the spring nut, the bolt, the gasket, the tooth stick, the expansion of metal screw, the heterogeneous pressing part, non-tender, hardware tool and so on.