正确答案: D

degree of superheat of the gas leaving the evaporator

题目：The expansion valve used in a refrigeration system regulates the

解析：D

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举一反三的答案和解析：

[单选题]今测得某船轴系的某对法兰偏中值为δ≠0、φ=0，该相邻轴轴心线呈( )状态。

相交且两法兰中心未对准

[单选题]现场指挥的信息来源不正确的是：

询问值班人员

[单选题]While sailing in ballast under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine is

the speed of main engine

[单选题]物质发生不完全燃烧，而生成一氧化碳的原因是：______。

缺氧

[单选题]按MARPOL附则II的规定，清洗装过X类货物的货舱的污水，必须卸至()。

岸上接收装置

[单选题]The SOLAS Convention in its successive forms is generally regarded as the most important of all international treaties concerning the ______of merchant ships.

safety

[单选题]皮炎是接触或使用某种物质引起的过敏反应，其治疗方法为______。

以上都是