【名词&注释】
添加剂(additive)、真空度(vacuum)、直接关系(directly related)
[判断题]当体温在40℃时应采取冰袋或酒精擦浴降温。
查看答案&解析
举一反三：
[单选题]What is the best explanation to the underline phrase "to secure the smooth withdrawal of ships"?
A. To withdraw a ship mid make it in a safe condition
B. To secure the life of a ship and recycle it
C. To break a wreck
D. To finish the service of a ship and break it without other problems
[单选题]According to the passage, it is recommended that the heat exchanger side be cleaned by .
A. flushing with chemical solvent without being dismantled
B. brushing mechanically after being disassembled
C. flushing with flesh water only
D. flushing with clean oil only
[单选题]能提高边界润滑中形成吸附膜能力的添加剂是（）。
A. 油性剂
B. 极压剂
C. 增黏剂
D. 浮游剂
[单选题]Pay attention to the ＿＿＿（安全）of the gangway.
A. danger
B. safe
C. safely
D. safety
[单选题]泵在系统中的工作扬程与( )无直接关系。
A. 额定扬程
B. 排出液面压力
C. 泵的流量
D. 吸入液面真空度
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