-
重力自流管路因其无能量消耗,已在许多工厂中获得广泛应用。
Gravitational flow pipeline is widely used in many petrochemical works, since it doesn't need any power.
youdao
-
重力自流管路因其无能量消耗,已在许多工厂中获得广泛应用。
Gravitational flow pipeline is widely used in many petrochemical works, since it doesn't need any power.
youdao