词汇	gas standardization
释义	gas standardization 气体标准化
随便看	direct efficacy direct efficiency direct effort against direct efforts towards direct einformation exchange direct election Direct-election direct election for prime minister direct elections direct electoral system direct electoral threat direct electrical analogue direct electrical linkage Direct electrical stimulation direct electric arc direct electric arc furnace direct electric curing Direct electric current direct electric drainage direct electric field direct electric fields direct electric heating direct electricity generation Direct electricity purchase direct electricity-purchase by large consumer