露脸人妻系列最新|少女たちよ在线观看动漫游戏|久久精品国产亚洲AV久|吃瓜黑料网最新爆料事件|国产日产欧洲无码视频|国产二区三区毛片|青青草免费观看|精品二区三区熟女日韩国产|中文字幕av 电影|中文字幕乱码熟女第一区,成人av黄色在线观看,国产 成人 精品,国产麻豆视频一区二区三区

propane

英 ['pr??pe?n] 美['pro'pen]
  • n. [有化] 丙烷

暢通詞匯

中文詞源


propane 丙烷

來(lái)自propionic acid,丙酸,-ane,化學(xué)名詞后綴,烷,詞源同methane.

英文詞源


propane (n.)
"colorless gas occurring in petroleum," 1866, with chemical suffix -ane + prop(ionic acid) (1850), from French propionique (1847), from Greek pro "forward" (see pro-) + pion "fat" (see fat (adj.)), in reference to its being first in order of the fatty acids.

雙語(yǔ)例句


1. Methane and propane are alkanes.
甲烷和丙烷是烷烴。

來(lái)自《權(quán)威詞典》

2. a propane gas cylinder
丙烷氣鋼瓶

來(lái)自《權(quán)威詞典》

3. Propane may also be used as LPG.
丙烷也可用作液化石油氣.

來(lái)自辭典例句

4. The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.
天然氣不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.

來(lái)自辭典例句

5. Combustion systems can fire on natural gas or propane.
燃燒系統(tǒng)可使用天然氣或丙烷.

來(lái)自互聯(lián)網(wǎng)