短語詞組短語sealing contact surface [機]密封接觸表面flange sealing surface 法蘭密封面;法蘭彌縫面injector sealing surface 噴油器密封面Sealing surface width 機械密封面寬度taper sealing surface 錐形密封面bevelled sealing surface 錐形密封面Sealing surface of 密封面材料shape of sealing surface 封蓋面形態(tài)sealing surface pore 表面封孔處理 返回 sealing surface