It has been a difficult problem for technical personnel to estimate the yarn consumption ratio in the technological design of jacquard fabric.
提花织物工艺设计中的用纱比确定一直是摆在技术人员面前的一道难题。
The document also specifies a goal of bringing China's building energy consumption ratio closer to that of developed countries by 2020.
文件确定的另一个目标是,到2020年我国的建筑能耗水平要接近发达国家水平。
Fuel consumption ratio of LPG was lower than petrol, the rate of saving power was about 5%.
燃用LPG比燃用汽油的当量比油耗低,节能率在5 %左右。
Fuel consumption ratio of LPG was lower than petrol, the rate of saving power was about 5%.
燃用LPG比燃用汽油的当量比油耗低,节能率在5 %左右。
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