汽油检测系统由毛细管节流器组成.The gasoline detection system consists of a capillary restriction.近来,可采用在冷却塔的水管系统中设置旁通阀或节流阀.The latter may be used with bypass or throttling valves in the tower water pipework circuit.当达到发动机额定转速时,节流板趋于关闭位...
Six organic manures were used to apply to celery and romaine lettuce in soilless culture.采用基质栽培试验研究了不同有机肥种类对叶类蔬菜(芹菜和生菜)硝酸盐和营养品质的效应.Farmers enrich the soil with organic and inorganic manures.农民用有机肥料和无机肥料来提高土壤的肥力.Heat was ...
He has found that smoke and toxic gases can be transported swiftly up through the atrium.他发现烟和毒害性气体可通过中庭迅速向上传播.From the left atrium the blood passes through the bicuspid valve into the right ventricle.来自左心房的血液通过二尖瓣进入右心室....
墓石上有碑文.The gravestone bears an inscription.这块墓石是倾斜的.The headstones were tilted.这种稳定性就是制造毫无生命的星球的墓石.Such stability was a gravestonea lifeless planet....