再比如,部分房屋中的烟囱也是使用了这一原理。 The smoke is blown away to the low-pressure area as the wind velocity above the chimney's nozzle increases, which helps the air rush outside. 烟囱嘴处的风速增加,压强减小,...
The paper introduces the application of bill of quantity in engineering bidding,tender cost compilation,bidding budget compilation and completion settlement,explores its importance in each point,furthermore puts forward some experience,which has provided some guidance for applying bill of quantity in future...