dished head凸: bulge; protrude形: form; shape封: close; seal头: 5点就得动身 have to start before ...碟形: dish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:凸形封头,碟形封头,即可在微信中查询翻译