... glass ash tray 玻璃烟灰缸 收藏 stoppered graduated measuring glass 带塞刻度量筒 收藏 tread pattern mold 花纹块模具 收藏 ...
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tread pattern mold
胎面花纹模具
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The paper was based on researching various processing methods of tread pattern blocks in tire segmental mold and comparing with each other.
研究了活络模具花纹块的各种加工方法，比较了各自的优缺点。
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