Applicable scope: biqing dry cleans lavation things and common laundry powder, soap, abstergent is different.

适用范围: 碧清干洗液和一般的洗衣粉 、 肥皂 、 洗洁剂等洗涤用品不同.

Base on abstergent opportune problem of the summer homework launch machine cooling system, it puts forward a project to measure cooling water conductivity rate to estimate degree of scale produce.

针对夏季作业发动机冷却系统保养除垢时机问题，提出通过测量冷却水电导率来估计水垢产生程度的设计方案。