连续式浸轧汽蒸给硫化染料提供了一种更好的染色方法.The preferred method to apply sulfur dyes is continuous pad steam.汽蒸槽是聚丙烯装置扩能改造的关键工艺设备.Decatizing groove is a key processing component of the polypropylene device.该设备由喷涂室 、 汽蒸拔色室和烘干室组成生产线, 可实现毛皮“...
Athens was suffering under the rule of an oligarchy that had no concern for the people's welfare.雅典当时饱受寡头集团的统治，他们对人民的福祉毫不关心。Insecure and fearful of its own people, the oligarchy preserves itself through tyranny.由于担心...