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Needle rod metal has changed for the steel alloy, gotten unique finish.
高速套结机针棒套筒为合金钢材质，经特殊处理。
youdao
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Connecting rod: Alloy steel with high strength and inclined cutting.
连杆：合金钢结构，高强度斜切口。
youdao
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Connecting rod: Alloy steel with high strength and inclined cutting.
连杆：合金钢结构，高强度斜切口。
youdao