electric relief valve

锅炉英文... ... 杠杆式安全阀 deadweight safety valve 电磁控制式安全阀 electric relief valve 玻璃水位计 glass water gauge ...

机械专业英语词汇-机械资讯-马棚网... ... electric relay 继电器 electric relief valve 冲量式安全阀 electric repair 电修车间 ...

... 脉冲式平安阀 pulsed safety valve 电磁节制式平安阀 electric relief valve 水封式平安装配 water-sealed safety equipment ...