circular disc type steam trap的意思|示意
美 / /
英 / /
圆形圆盘式疏水阀
circular disc type steam trap的网络常见释义
圆盘式疏水阀 ... 脉冲式疏水阀：impulse steam trap 圆盘式疏水阀：circular disc type steam trap 眼睛阀：goggle valve ...