单词：underexpanded nozzle
单词：underexpanded nozzle 相关文章
for when you shut the bellows, the valve cannot close the air-hole because of your finger, 因为, 当你关闭风箱把手时, 你的手指使得阀门无法关闭空气进出的圆孔, and most of the air then escapes through this hole instead of g
英国学生科学读本
外部设施 information desk 服务台 hotel register book 旅客登记簿 registration form 登记表 newsstand 售报处 postal service 邮局服务处 shop 小卖部 bar 酒吧间 lounge 酒店大厅 billiard-room 台球房 dining-room, dining ha
英文语法词汇
mattress 褥子 quilt 被 blanket 毯子 sheet 床单 bedspread 床罩 cotton terry blanket 毛巾被 pillow 枕头 pillow 枕头 pillowcase 枕套 mat 席 cushion 垫子 bathroom 浴室 bath tub 浴盆
考研英语
You pump it at a high pressure through a nozzle. You create a spray of detergent. 你用高压将它压过一个喷嘴，你制造了清洁剂喷雾。 Then the spray dries. It turns into powder. It falls to the floor. 喷雾干燥后就成了粉末，
TED演讲教育篇
BEIJING, Feb. 20 (Xinhua) -- China is encouraging local governments to make full use of their financing vehicles in 2012 in an effort to boost financial support for low-income housing projects, the country's top economic planner said Monday. The cent
英语新闻
He was riding the LIRR to Oyster Bay. He saw beautiful scenery everywhere. But he also saw graffiti everywhere. There must be a way to stop graffiti, he thought. He did some research. He developed a design for a graffiti-buster. He presented it to a
英文短篇故事（纽约）