glycols什么意思解释

Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender ( E - 300 ) were prepared.以多元醇 ( PEA, PPG,PTMG ),PDI, E300为原料,制备了 PU 弹性体.A new process of Hydration of propylene oxide ...

glycols的音标：glycols的英式发音音标为：[ɡlaɪ'kɒlz]glycols的美式发音音标为：[ɡlaɪ'kɒlz]...

“地方志”的英语可以翻译为：local chronicles，chorography ...

v.将（工作、职权等）交给某人( depute的第三人称单数 )，给予（某人）代表行事或发言之权...

“背信”的近义词/同义词：背约, 违约, 失信, 失约, 爽约, 违约。...

gregarina的音标：gregarina的英式发音音标为：[gregə'raɪnə]gregarina的美式发音音标为：[gregə'raɪnə]...

The car was hit by a grenade.把汽车打中了.The Type 27 Grenade Discharger also launched deadly grenades into the enemy formation.二七式掷弹筒,也不断的向敌军投射.frangible grenade燃烧瓶All five - second grenade fusewill burn down in three seconds...

graveyard的音标：graveyard的英式发音音标为：['greɪvjɑ:d]graveyard的美式发音音标为：['greɪvjɑrd]...

“后颈”的英语可以翻译为：collare，hindneck，nape，scruff ...

The newspaper used the neologism "dinks", Double Income No Kids.报纸使用了新词“丁克族”，即“双收入无子女”。She caught up a popular neologism from the newspapers.她急忙采用了报刊上流行的一种新词语.The newspaper used the neologism 'dinks', Double In...

...improving the yield of the crop...提高农作物产量When the summer crop is ripening, the autumn crop has to be sowed.夏季作物成熟时, 就得播种秋季作物.The islanders could barely survive without an export crop.没有出口作物，岛上的居民几乎无法生存。It also demonst...

“地心”的拼音为：dì xīn...

“海水”的拼音为：hǎi shuǐ...

走开，溜走，隐居不出...

summarization的音标：summarization的英式发音音标为：[ˌsʌmərɪ'zeɪʃən]summarization的美式发音音标为：[ˌsʌmərɪ'zeɪʃən]...

“音量”的拼音为：yīn liàng...

给出了半对称度量循环联络在射影变换下的不变张量.The invariant tensor under projective transformations of semi - symmetric metric - recurrent connections is obtained....