使用该钢瓶加密瓶阀后，只能在我们指定的液化气充装站才能充装。

By using encrypting Angle valve of steel cylinder, clients must fill gas at designated LPG filling station.

youdao

使用该钢瓶加密瓶阀后，只能在我们指定的液化气充装站才能充装。

By using encrypting Angle valve of steel cylinder, clients must fill gas at designated LPG filling station.

youdao