短語詞組短語contact t area 接觸麪積;接觸麪contact surface area ratio 接觸麪積率contact surface area 接觸麪積Contact Haicang Area 聯(lián)系海滄區(qū)contact -area 接觸麪積tooth contact area [機(jī)]輪齒接觸麪積pitch line contact area 節(jié)線接觸範(fàn)圍submarine contact area 潛艦接觸區(qū)tire contact area 輪胎接地麪積 返回 contact area