常見(jiàn)例句雙語(yǔ)例句This paper concluded and analyzed the depiction that concerned concrete frost mechanism for many years, and studied the anti-freezing mixture action.本文綜合并分析了多年來(lái)關(guān)于混凝土受凍機(jī)理的敘述,并對(duì)防凍外加劑作用進(jìn)行研究。 返回 anti-freezing mixture