色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

impeller

英 [?m'pel?] 美[?m'p?l?]
  • n. [動力][機(jī)] 葉輪；推進(jìn)者

詞態(tài)變化

復(fù)數(shù):?impellers;

英文詞源

impeller (n.)
1680s, agent noun from impel (v.). As a machine part from 1890.

雙語例句

1. The flow of air through the fan is substantially parallel to the impeller axis.
通過風(fēng)機(jī)的氣流基本上是與葉輪軸平行的.

來自辭典例句

2. Impeller are open, and closed three - Banbi, as shown in Figure 2 - 2 .
葉輪有開式 、 半閉式和閉式三種, 如圖 2-2 所示.

來自互聯(lián)網(wǎng)

3. Also discussed are the effects of suction pressure and impeller vane number.
還對吸入壓力和葉輪葉片數(shù)的影響進(jìn)行了討論.

來自互聯(lián)網(wǎng)

4. Impeller has single - and double - suction suction aspiration of the two methods.
葉輪有單吸和雙吸兩種吸液方式.

來自互聯(lián)網(wǎng)

5. The impeller of the sea water pump is unevenly worn out.
海水泵葉輪嚴(yán)重單邊磨損.

來自互聯(lián)網(wǎng)