nonfan
常见例句
- Nonfan method is different from other traditional methods,which is a kind of methods with reliable technology,low cost and suitable for China.
无风机方式有别于其他传统的方式,是一种技术可靠、造价低、非常适合于我国广大地区的井筒防冻方式。 - Keywords pit shaft frostbite nonfan method air heating quantity of heat exhaustion;
井筒;防冻;无风机方式;空气加热;耗热量; 返回 nonfan