英语词汇bell and howell perforation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	bell and howell perforation
释义	bell and howell perforation 简明释义贝尔浩型片孔网络释义 1 ?贝尔浩型片孔贝尔浩型片孔双语例句 1 Bell and Howell perforation: a film perforation shaped with flat top and bottom and curved sides. 贝尔浩型片(齿)孔：上下平行两边弯曲的胶片齿孔。
随便看	details to follow details to follows detail supporting statement detail survey detail survey for mine workings detail survey detail survey of workings details view detail table detail table of power consumption detail tape detail test detail time detail to detail transfer detail triangulation detail view detail work detain detainable detain as detain at detain by detained detained a ship

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