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...
有时他会倒嚼我们喂给他吃的食物，因为他无法吞咽。Sometimes he regurgitates the food we give him because he cannot swallow.手术后你咀嚼和吞咽都会感到困难。After the operation you may find it difficult to chew and swallow.什么食物都要先嚼碎再吞咽。Always chew food well before...
Papua New Guinea became independent from Australia in 1975.巴布亚新几内亚1975年脱离澳大利亚正式独立。The Republic of West Papua is proclaimed in modern - day Western New Guinea.但是,我发现,这些捕猎者又迁移到巴布亚岛新几内亚这些不受限制的地方去了.A basic unit of currency i...
Ambient concentrations varied considerably by season.环境浓度随季节而大幅度变化.He had had a varied training and held many offices.他受过多方面的训练, 担任过许多职务。The antifungal mechanism of Trichoderma is varied, including antibiotic, dissolve h...
说时右手大拇指从中指弹在食指上“啪”的一响.At this he snapped his fingers.印刷技术中指专用铅字面的一种加粗形式.In printing, a heavier version of a particular typeface.他中指上戴着指环.He wears a ring on his middle finger....