gas gradient瓦斯: gas; mashgas梯度: gradient; grad法斯梯: fastie-ebert monochromator斯梯尔: steele斯梯芬: stefan-boltzamn constant下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:瓦斯梯度,即可在微信中查询翻译