英语词汇“bell-jar testing”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	bell-jar testing
释义	bell-jar testing bell-jar testing [′bel ‚jär ‚tes·tiŋ] (engineering) A leak testing method in which a vessel is filled with tracer gas and placed in a vacuum chamber; leaks are evidenced by gas drawn into the vacuum chamber.
随便看	bill of health bill of health; commercial law bill of indictment bill of information bill of lading bill of lading number bill of material bill of material creation and maintenance bill of material object damage bill of materials bill of materials processor bill of mortality bill of operation & transfer bill of pains and penalties bill of parameters bill of parcels bill of particulars bill of patient rights bill of privilege bill of process bill of proof bill of quantities bill of quantity bill of resources bill of review

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。