Propylene,the common petroleum gas,is subject to gasification under heating and liquification under pressure.
丙烯是一种
易
化、
压易液化的常用石油
。
Propylene,the common petroleum gas,is subject to gasification under heating and liquification under pressure.
丙烯是一种
易
化、
压易液化的常用石油
。
J.K. Dennis, T.E. Such, 1993, Nickel and chromium plating, Woodhead Publishing Ltd, England.
彭坤增,1998,铜模镀镍层组织及性质
潜变之研究,大叶大学,硕士论文。
Heat evaporates water into steam.


变


。
Iron softens with heat.


就软化。
Lacquer timber surface gives heavy blackening: The likelihood is knag going up Qi Qian was not sealed, classics sun is basked in, knag be heated, colophony from knag inside oozy and cause.
漆木料表面出沉暗斑:可能是木节在上漆前未封住,经太阳一晒,木节
,树脂从木节内渗出而引起的。
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