double containment spray system双层: double-deck; having two laye ...安全: safe; secure; safety; securi ...壳: shell; hard surface喷: time on the market; in seaso ...淋: filter; strain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:双层安全壳喷淋系统，即可在微信中查询翻译
