您要查找的是不是：
- A programme of experimental research on five geosim propeller models has beencarried out in the ship model towing tank of the Shanghai Chiao-Tung University. 本文介绍交大船模试验池对五个几何相似螺旋浆模型进行敞水试验研究的情况。
- Stress corrosion cracking and fatigue corrosion cracking are easily seen in ship propeller made of copper alloy for working in seawater. 采用锰黄铜或铝青铜铸造的大型海船螺旋桨在海水中工作时容易产生应力腐蚀裂纹和腐蚀疲劳裂纹。
- Compared with conventional material (ZQAL 12 8 3 2),propeller model made of Cu Al Be alloy could efficiently restrain propeller singing and reduce noise level. 用Cu－Al－Be合金和原实艇螺旋桨材料ZQAL12－8－3－2分别制作参数相同的模型桨，在相同的56种工况下对比试验表明：用Cu－Al－Be形状记忆合金制作的螺旋桨能够完全抑制由共振产生的异常噪声唱音，有显著的减振降噪作用。
- Comparative experiments of seven propeller models behind wake field simulated by dummy model for fluctuating pressure measurement were carried out in cavitation tunnel. 在大型空泡水筒中用假尾模拟伴流场后对7个桨模作了脉动压力测量。
- A mind to behind stern duct for ship propeller 关于尾流导流罩的构想
- 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。
- Built as a collier and named Jupiter (Collier # 3), she was the first surface ship propelled by electric motors. 兰利号开始时作为运煤船建造舰名为朱庇特号（运煤船%233），她是第一艘电驱动的水面舰艇.
- Polyphase synchronous motors used in ship propelling have a broad application foreground. 多相同步电动机用作舰船的推进电机有着广泛的应用前景。
- Research on Pulse Plasma Propeller Model in Water Medium 水介质中脉冲等离子体推进模型的研究
- A large single-decked medieval ship propelled by sails and oars with guns at stern and prow,a complement of 1,000 men,used mainly in the Mediterranean for war and trading. 有帆和桨推动的在船尾和船首有大炮的单一甲板的大的原始的船，容纳一千个人，主要用于密西西比河的战争和商业。
- The lifeboat went out to a ship in distress. 救生船去救一艘遇险的船只。
- Study on fluctuating pressure and noise induced by ship propeller 船舶螺旋桨诱导的脉动压力和噪声的研究
- The ship steamed into the harbor. 船驶入了港湾。
- Can you free the propeller from the weeds? 你能把螺旋桨上的草除掉吗?
- The ship was loaded with cargo fore and aft. 这条船从船头到船尾装满了货物。
- Standing by him was a model worker. 站在他旁的是一位劳动模范。
- A piece of string has twisted round the propeller. 一根绳子缠在螺旋桨上了。
- I think I can get that special model for you. 我想我可以为你找到那种特别的型号。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
- She has been held up as a model worker. 她被推举为模范工作者。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
