FLAT BEAD CHAIN 光管链
flat bead technique 平焊道工艺
bead flat wear 胎圈底部磨损
To improve the level of domestic loading meridian tyre quality, a flat bead wire line is designed.
为提高国内载重子午胎的质量水平，设计了一条胎圈用扁钢丝生产线。
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