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词汇 perforation line
释义 perforation line
perforation line发音
意思翻译

穿孔线

相似词语短语

perforation gauge───穿孔规

perforation gauges───穿孔规

demarcation line───[地理]分界线;划界线

perforating gun───[油气]射孔枪

perforating guns───射孔枪

perforation───n.穿孔;贯穿

perforations───n.[医]穿孔;孔眼;器官或身体某部位的裂口(perforation的复数)

双语使用场景

This company has seamless steel pipe perforation unit production line two, cold draw production line six, hot rolling production line with welded steel pipe production line two.───本公司拥有无缝钢管穿孔机组生产线两条,冷拔生产线六条,热轧生产线一条和焊接钢管生产线两条。

with respect to continuous stationery, it is often four line spaces below the perforation line.───对于多页文书来说,通常在穿孔页缝以下空四行的位置。

英语使用场景
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