clutch housing hand hole cover离合器: clutch; throw-out; ratchetin ...壳: shell; hard surface手: hand孔: hole; opening; aperture盖: a surname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:离合器壳手孔盖,即可在微信中查询翻译