单词	floatboard
释义	floatboard n. 蹼板, 轮翼, 承水板
随便看	double acting positioner double-acting power unit double acting power unit double-acting press double acting press double acting pump double-acting pump double acting regulator double-acting relay double acting relay double acting rotary engine double-actings double acting shock absorber double-acting shock absorber double-acting single piston rod oil cylinder double-acting sprayer double acting sprayer double acting spring butt double acting steam engine double-acting steam engine double-acting steam hammer double acting steam hammer double acting steam pile driver double-acting sucker rod pump double acting switch 栱栲栳栴栵栶样核根栺 34681 34682 34683 34684 34685 34686 34687 34688 34689 34690