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- The mainstructure parameters of spirally grooved tube are diameter of tube, fin pitch,corrugation depth, wall thickness, spirally angle and spira. 螺旋槽管(亦称螺纹管)是其中的一个重要分支,它是一种优良的高效异形强化传热管件。
- Parameters of tube row number, fin pitch, fin type, inlet cold water temperature and frontal velocity of air are considered. 实验中，固定冰水进口温度及流量，改变空气的正向风速；或固定正向风速时，改变冰水的进口温度，分别来探讨热传量、热量、热量、热比及除湿率的变化。
- She has keyed the piano up to concert pitch. 她已经把钢琴的音调升到音乐会的音高标准。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- Numerical Analysis and Experimental Study on Performance of Evaporator with Combination of Different Fin Pitch 变片距蒸发器性能数值分析与实验研究
- A feather, wing, fin, or similar appendage. 羽、翼或鳍状结构羽、翼、鳍或类似的悬着物
- The coach built the team up to a fighting pitch. 教练使全队振作起来，准备一搏。
- The pitcher tends to pitch the ball too high. 这个投球手常把球掷得过高。
- The shark's fin sliced the water. 鲨鱼的背鳍像刀样迅速划破水面。
- They that touch pitch will be defiled. 近墨者黑。
- We planned to pitch our camps in the mountains. 我们计划在山里扎营。
- The speaker brought the crowd to fever pitch. 演讲者激起群众高昂的情绪。
- The fans rushed onto the pitch in an excited mob. 球迷群情激昂，一窝蜂涌进球场。
- Let's pitch out the troublemakers. 把这些捣乱分子赶出去。
- Keywords numerical modeling;spirally grooved tube;roll-pressing;shape of roller;corrugation depth;fin pitch;heat transfer; 数值模拟;螺旋槽管;滚压;辊型;槽深;螺距;换热;
- That's only an economy at fever pitch. 那只不过是种过热的经济而已。
- A high pitch that is lobbed to the batter. 击出高飞球一个过高的冲向击球员的高飞球
- The shark's dorsal fin was cut off by the fisherman. 鲨鱼的背鳍被渔夫割了下来。
- The children were in a high pitch of excitement. 孩子们高度兴奋。
- Her voice dropped to a lower pitch. 她的声调低了下来。
