纺丝原液在纺丝前为什么要脱单体？
The heated feed-water entering any flash chamber of a flash-type evaporator will（） ["vaporize, with the un-flashed water remaining at the temperature at which it entered the flash chamber","vaporize, with the un-flashed eater equalizing to the saturation conditions existing in the f lash chamber","vaporize, with the remaining water a t a temperature greater than it entered the flash chamber","boil, allowing steam bubbles to rise through the brine at the bottom of the flash chamber"]
影响汽轮机相对内效率的因素有哪些？
There is plenty of（）at this area. ["A room","Room","Rooms","The room"]
小额支付定期业务的明细来源可以手工录入的，也可以是磁盘导入的。
影响纺丝流体弹性的因素有哪些？
