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	single occupancy single occupancy single occupancy building single-occupancy room single office area single office exchange single office exchange single-office system single offset single offspring mental health single oil area single one single open circuit single open end spanner single opening press single-opening press single-operand addressing single-operand instruction single operater welding machine single operation single-operation die single operation part single-operation part single operation test single operator

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。