The control schemes for the solvent heat exchange section include the single-loop fixedvaluecontrol for the pressure in the flashing tank and that for the liquid level of the flashing tank.
溶剂换热部分控制方案包括闪蒸罐压力的单回路定值控制和闪蒸罐液位的单回路定值控制。
2
To budget and schedule such testing — a fixed dollar amount or a % of total shipment value should be allocated to quality control testing.