免费成人A片免费看|亚洲有码视频在线观看|美女毛片视频激情超碰|91精品国产欧美一区二区成人|久久无码精品一级A片一高潮不断|亚洲性爰专区三级片不卡免费|欧洲另类AV无码国产免费看|免费观看黄片视频|三级黄色网片在线|国产精品一区二区三区网址

單詞乎

valve

音標(biāo)[v?lv]
valve是什么意思、valve怎么讀

valve漢語翻譯

n. 活瓣, 閥, 活門
vt. 裝閥, 用閥調(diào)節(jié)
vi. 裝閥, 用閥調(diào)節(jié)
【化】 閥
【醫(yī)】 瓣, 瓣膜; 閥, 活門

valve詞型變化

形容詞:valveless 動(dòng)詞過去式:valved 過去分詞:valved 現(xiàn)在分詞:valving 第三人稱單數(shù):valves 

valve英語解釋

名詞 valve:

  1. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
  2. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
  3. control consisting of a mechanical device for controlling the flow of a fluid

valve例句

  1. Composed of a single valve or piece. Used of a shell.
    單瓣的由單個(gè)瓣膜或部分組成的。用于殼
  2. The pump sucks air out (of the vessel) through this valve.
    這臺(tái)泵通過這個(gè)閥門把(容器中的)空氣抽出。
  3. We need an eye bolt to fit this valve.
    我們需要一個(gè)有眼螺栓來固定這個(gè)閥門。
  4. Have you turned off the water valve?
    你關(guān)掉水閥了嗎?
0
糾錯(cuò)