探讨了PET酯 化、聚合生产过程对熔体直接纺丝的影响.The effect of PET production on melt direct - spinning is discussed.以水为凝固浴, 水法成形是在 “ 漏斗纺丝 ”.Water as coagulation bath, water law shape in the " funnel spinning. "主要应用于聚酯切片、化纤纺丝等生产的过滤.Primarily ...
在1918年再版之前，这本书一直非常罕见。It remained an exceptionally rare book until it was reprinted in 1918.1918年，奥地利成为共和国。In 1918, Austria became a republic.土耳其溃败之后，亚历山大勒塔在1918年被法国人占领。Alexandretta had been occupied by the French in 1918...
Bomb tests resulted in the annihilation of the atoll.原子弹试爆毁灭了那个珊瑚岛.Pudong and Atoll Reef aquarium which is worth more to ah?那个海洋馆与浦东的水族馆哪个更值得一去啊?An atoll is a ring - shaped island that encloses a central lagoon.环礁是一座环状的岛...