The pass percent of the water quality after sewage treatment in Weigang Combination Station in 2003is only70%, which forms the severe threat on the stratum layer' s safety.

2003年，魏岗联合站污水处理水质合格率只有70%，严重影响到魏岗油田注水合格率，对地层安全形成了极大的威胁。

youdao

For laundry, kitchen, heating, air condition, refrigeration control, water treatment, generator power station with electrical equipment repair and service.

为洗衣房、厨房、暖气、空调、制冷控制、水处理、发电机、配电站等有关电的设备进行修理和服务。

youdao

Due to the large size of the deaerator water tank of a nuclear power station, in-situ welding is required for 2 ring butt welds, causing difficulties in welding and heat treatment.

某核电站除氧器水箱尺寸较大，其2条环焊缝需在现场拼焊，焊接和热处理难度很大。

youdao