... foam quality泡沫质量;泡沫特征值 physical foam物理发泡;机械泡沫 foam concrete泡沫混凝土;房屋地政 ...
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本文论述了用机械发泡法制备聚乙烯醇缩甲醛泡沫塑料的工艺及其影响因素。
The preparation technology and its effect factors for polyvinyl formal foam plastic by way of mechanical foaming method were studied.
泡沫铝是一种新型的多功能材料，有着许多优良的物理与机械特性，使其在工程中有广泛的应用前景。
Foamed aluminum is a new kind of multi-functional material. It exhibits many physical and mechanical properties, which brings good prospects in engineering application.
降温速度过快、离心泵及薄板换热器的机械剪切力会破坏酵母细胞，降低纯生啤酒泡沫稳定性。
The foam stability of draft beer was decreased by lowering temperature quickly and the mechanical shear power which yeast cell could be damaged.
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