英语词汇“primary standard substance”的读音、翻译、释义、用法及例句-英译汉实时翻译、汉译英在线翻译、英汉互译翻译词典-国先网

词汇	primary standard substance
类别	英译汉实时翻译、汉译英在线翻译、英汉互译翻译词典
释义	primary standard substance 英?[?praim?ri ?st?nd?d ?s?bst?ns] 美?[?pra??m?ri ?st?nd?d ?s?bst?ns] 释义基准物（质）
随便看	diaphragm closure diaphragm cloth diaphragm clutch diaphragm cock diaphragm compliance diaphragm compressor diaphragm computer diaphragm cone diaphragm contraceptive diaphragm contraction diaphragm control diaphragm control knob diaphragm-controlled separator diaphragm controller diaphragm control, motor-driven diaphragm control valve diaphragm coupling Diaphragm Couplings diaphragm current diaphragm cut-off valve diaphragm cylinder diaphragm cylinder, spring-loaded cylinder diaphragm deflection diaphragm deluge valve diaphragm detector

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