environmental noise level环境: environment; surroundings; c ...噪音: noise; undesired sound; stre ...级: level; rank; grade环境噪音: ambient noise; environmental noise; noise climate环境噪音测量: noise survey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:环境噪音级，即可在微信中查询翻译
