勾: a surname心: the heart弓形: segment of a circle bow-shap ...垫: put sth. under sth. else to ...弓形垫: shanks; shoe care products木勾心: wood shank弓形: 1.[数学] segment of a circle2.(像弓的形状) bow-shaped; arched; curved; arch form; arch; bow; segment鞍形垫: saddle凹形垫: thumb pad波形垫: corrugation pad齿形垫: tooth type gasket环形垫: air ring; back ring; backing ring; encircling ring楔形垫: chock; webge piece; webgepiece; wedge piece; wedgepiece形垫圈: c-washer c; o-type gasket o尔虞我诈，勾心斗角: sich gegenseitig hintergehen,im geheimen miteinander rivalisieren /einander betrügen,gegeneinander intrigieren/lug und trug/sich gegenseitig sand in die augen streuen .劣弓形；小弓形: minor segment优弓形；大弓形: major segmentc形垫圈: c battery c-washer; c washer; c-washeru形垫圈: u washer; u-washer鞍形垫圈: saddle shaped washer杯形垫密封: seal with cup packing杯形垫圈: cup washer; cup-washer波形垫片: corrugated gasket槽形垫片: groove gasket齿形垫片: grooved metal gasket; serrated spacer
