压气机出口压力沿圆周方向接近于常数.The compressor - outlet pressure is nearly constant around the circumference.文中也包括了离心压气机设计的基本步骤.The essential design procedure about centrifugal compressor also included in the paper.活塞发动机和涡桨发动机的飞机有压气机来...
There are recognised black spots in marriages which can lead to trouble.婚姻中有一些公认的容易引发问题的雷区。The scale of the problem is now universally recognised.现在全世界的人都已认识到了这个问题的严重性。The inadequacies of the current system have already ...
鸭蛋在做糕饼时，格外重要。Ducks' eggs are particularly prized for cake making.这种糕饼用米粉做不那么容易碎。Rice flour makes the cake less likely to crumble.做糕饼时不要吝惜奶油.Don't scant the butter when you make a cake....