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- marine screw propeller test 船用螺旋桨试验
- marine screw propeller 船用螺旋桨
- The paper introduces a new design of marine shafting flexible drive.High-elastic shaft coupling seperates two major vibration source of diesel engine and screw propeller. 介绍了一种全新的船舶轴系柔性传动型式,可承受推力的高弹联轴器隔断了柴油机和螺旋桨两大振动源;
- "Airplane: Fixed-wing aircraft that is heavier than air, propelled by a screw propeller or a high-velocity jet, and supported by the dynamic reaction of the air against its wings. 飞机:用螺旋桨或高速喷射发动机推进和藉空气升力支持的各种重于空气的定翼航空器。
- marine screw type refrigerating compressor unit 船用螺杆式制冷压缩机组
- In water, paddles and oars have given way to screw propellers and turbines, but stability in response to the rolling motion of water is still a problem. 在水里，桨橹已经由螺旋桨和涡轮机替代，但是在涌动的水里使船只保持平稳仍然是一个问题。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- An acoustical construction scheme on propeller test section of NF-3 wind tunnel NF-3风洞螺旋桨实验段的声学改造
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- Can you free the propeller from the weeds? 你能把螺旋桨上的草除掉吗?
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- The brackets want an extra screw. 托架需要再加一个螺钉。
- A piece of string has twisted round the propeller. 一根绳子缠在螺旋桨上了。
- The ship's propeller churned the waves to foam. 那条船的推进器把水浪搅动得泡沫四起。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- Marine plants grow on the sea bed. 海生植物长在海底。
- The taste of the lemon made her screw up her face. 柠檬把她酸得龇牙咧嘴。
- It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。
- Let us show you to see the engine to test. 让我们指给你看要测试的发动机。
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
