seam co tructionseam constructionseam construction缝: seam型: mould; model结构: structure; composition; cons ...型结构: caesium chloride structure; h-form/holding company h; mercury i chloride structure; multidivisional structure m; nacl－type structure; unitary structurey型结构: y-shaped structure下载手机词典可随时随地查词查翻译
