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- The helix each liquid in rotating a circle, sealing off a cavity forming the pump hermetic serling cavity room thereupon pushes forward a pitch of screw forward. 其工作原理是当电动机带动泵轴转动时，螺旋一方面绕本身的轴线旋转，另一方面它又沿衬套内表面滚动，于是形成泵的密封腔室、螺杆每转一周，密封腔中的液体向前推进一个螺距。
- The children were in a high pitch of excitement. 孩子们高度兴奋。
- The pitch of a voice or other sound. 声高嗓音或其他声音的音高
- The type of nut should match the type of screw. 螺丝母的型号要和螺丝钉相符合。
- He was wound up to a high pitch of excitement. 他极为兴奋。
- On the very first pitch of the game,he got a hit. 在比赛一开始所投出的第一球，他就击出安打。
- Cry out at the utmost pitch of one's voice. 尽量地大声叫。
- He accused me of screwing his wife. 他控告我奸淫他的妻子。
- On the very first pitch of the game, he got a hit. 在比赛一开始所投出的第一球，他就击出安打。
- The pitch of a siren is usually sharp. 警报器的声音总是很尖利。
- pitch of screw (thread) [化] 螺距; 螺纹距
- basic pitch of screw diameter 基本中径
- The particular or relative pitch of a word,phrase,or sentence. 音调某个单词、词组或句子的特定或相对调
- pitch of screw thread 螺距
- The speech inflamed the crowd to a high pitch of fury. 演讲使群情异常激愤。
- pitch of screw 螺纹距
- Raising the pitch of the voice at the end of a restatement. 在复述结束时提高声音。
- This paper introduces the lower bear's improvement of screw grader. 文章介绍螺旋分级机下部轴承的改造实践。
- Through analyzing of a bottle cover structure with inner thread, a type of screw and nut with coarse pitch was applied to realize thread core demoulding automatically. 通过对一种带有内螺纹的酒瓶盖的结构分析,阐述了采用大导程螺杆和螺母机构实现螺纹型芯自动旋转脱模的设计过程及其工作过程。
- On the very first pitch of the game,he got a safety hit. 比赛一开始投出的第一球，他就击出安打。
