The pitch ratio of a propeller is the mean pitch divided by （）.
纯MEA的有腐蚀性。
The difference between Fixed pitch propeller (FPP) and Controllable pitch propeller (CPP) is in that（）
MEA法
MDEA氧化降解是MEA的（）。
MEA溶液的最佳使用浓度是（）。
MEA在常压下沸点为（）℃。
下列MEA的说法正确的是（）。
MEA脱除CO2是等温吸收。
Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.（）
对于MEA法为了减轻溶液的腐蚀性一般控制酸气负荷不超过（）摩尔酸气/摩尔MEA。
Propeller pitch speed minus ship speed divided by the propeller pitch speed is termed （）.
Back和Meas都是返回键，有什么不同？
MEA脱硫工艺中溶液的复活操作。
MEA脱除CO2是物理吸收法。
MEA作为中和剂，主要加入（）
Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller? （）
MEA溶液再生的优点是（）。
Project Controlling与工程项目管理的地位不同，Project Controlling咨询单位为（）服务。
T-1出口MEA液温度在（）℃。
MEAS:
Controlling idea can make your article as a whole.
Controlling the costs of your business means _______ all of your costs under control, including manufacturing, advertising and operations.
在一定范围内提高MEA浓度会（)吸收效果。
