semielliptic ring半椭圆形弹簧

semielliptic spring[机] 半椭圆弹簧;翻译

semielliptic flaw半椭圆形缺陷

semielliptic surface crack半椭圆形表面裂纹

inverted semielliptic spring倒置半椭圆形钢板弹簧

semielliptic cantilever spring半椭圆形悬臂钢板弹簧

double semielliptic spring椭圆形钢板弹簧

inverted impulse semielliptic spring倒置半椭圆形钢板弹簧

semielliptic scroll spring弯头半椭圆形钢板弹簧