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This paper introduces the preparing method, the structure, the properties and applications of poly (trimethylene terephthalate) (PTT), and it compared with PET, PBT et al. engineering plastics.

本文介绍了聚甲酸丙醇酯(PTT)的制法、结构、性能及应用,并PET、PBT程塑料进行了比较。

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fluoroleum, fluorolube, fluorolubricant, fluorometer, fluoromethane, fluoromethylation, fluorometric, fluorometry, fluoronaphthalene, fluorone,

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3G, 401(K), a,

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Osmosis-血液肿瘤

Diagnosis of hemophilia A and B usually starts with lab tests including a platelet count which is usually normal, a prothrombin (PT) time, and a partial thromboplastic (PTT) time.

血友病A和B的诊是进行实验检测，包括血小板计数（一正）、凝血原（PT），以及部分凝血活（PTT）。

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Osmosis-血液肿瘤

There is also a prolonged prothrombin (or PT) time, as well as prolonged partial thromboplastin time (or PTT), both of which reflect having lower levels of circulating coagulation factors.

凝血原（PT）和部分凝血活（PTT）均会延长，两者都反映出血液循环中低水平的凝血因子。

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fluorophotometric, fluorophotometrictitration, fluorophotometry, fluoroplastic, fluoroplastics, fluoroplutonate, fluoropolymer, fluoroprene, fluoroprint, fluoro-propane,

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3G, 401(K), a,
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