outer hull外部: outside; external壳体: monoblock; case; casing; hou ...外部壳封: outside seal壳体: monoblock; case; casing; housing; shell; cage◇壳体结构 shell structure [construction]; 壳体理论 shell theory顶部壳粒: apical capsomere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:外部壳体,即可在微信中查询翻译