在PHB的均聚物是一种高结晶度，其不同于那些不聚苯乙烯力学性能，比较脆硬聚合物，虽然它是那么脆弱。
The PHB homopolymer is a stiff and rather brittle polymer of high crystallinity, whose mechanical properties are not unlike those of polystyrene, though it is less brittle.
长输管线系列球阀不仅选材广泛且内件材料均采用表面镀镍或是316材质、密封圈采用特制的聚合物材料。
Pipeline series ball valve is not only wide selection of parts and materials are used in nickel-plated or 316, seal with a special polymer material.
该工程地下室、厨房与卫生间均采用聚合物水泥防水涂料；屋面采用倒置式防水技术。
Polymer cement waterproofing coating is used in the basement, kitchen and toilet of the project and inversion waterproofing technique in its roofing system.
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