cascade impactor串级: tandem; cascade冲击: lash; pound仪: appearance; bearing冲击仪: apparatus for impacting at low-temp; impactometer漆膜冲击仪: coating impact instrument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:串级冲击仪,即可在微信中查询翻译