The drawing, thermalsetting, creping and drying steps are carried out on a separate drawing bench.
在分开的拉丝机上进行拉伸、热定形、起皱和干燥步骤。
2
The experimental results wre analyzed and compared, and the best temperature and time of thermalsetting for PTT knitted fabric was determined.
对测试结果进行分析和比较，找出了PTT针织物较佳的热定形温度和时间。
3
As thermal expansion conditions develop, pressure builds up to the setting of the relief valve. This will cause discharging of small quantity of water.