perforated liner的意思|示意
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穿孔班轮
perforated liner的网络常见释义
带眼衬管 ... perforated interval 射孔段 perforated liner 带眼衬管 perforated metal tube 带孔金属管 ...
perforated liner相关短语
1、 perforated tube with liner 带衬的多孔管