simatic crust硅: silicon镁: magnesium壳: shell; hard surface氯化镁壳: crust of magnesium chloride镁壳燃烧弹。: electron bomb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:硅镁壳,即可在微信中查询翻译