壳体和封头shell: n. (pl. shells,2 义为 shell) 1 ...head: n. 1.头,头部,首。 2.头脑,才能;智力,想像力, ...heads and shells: 封头和壳体heads into shells: 封头接入壳体external pressure heads and shells: 外压封头和壳体下载手机词典可随时随地查词查翻译