hand hole coverhand hole platehandhole cover手: hand孔: hole; opening; aperture盖: a surname手孔盖垫环: gasket hand hole cover离合器壳手孔盖: clutch housing hand hole cover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:手孔盖,即可在微信中查询翻译