- 推荐网络解释
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tongued washer:带舌垫圈
tongued grooved and beaded 企口板 | tongued washer 带舌垫圈 | tonka beans 顿加豆
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ragging:压花、滚花、(轧辊)刻纹
ragged rolls刻痕轧辊 | ragging压花、滚花、(轧辊)刻纹 | ragging marks辊印
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head leader:片头引片
head lap ==> 端搭接 | head leader ==> 片头引片 | head length ==> 头长