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【单选题】
采用含有油性和极压添加剂的润滑剂，主要是为了减少（）
A.
粘着磨损
B.
表面疲劳磨损
C.
磨粒磨损
D.
腐蚀磨损
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Many Americans harbor a grossly distorted and exaggerated view of most of the risks surrounding food．Fergus Clydesdale, head of the department of food science and nutrition at the University of Massac...
A.
They overlook the risks of the food they eat.
B.
They overestimate the hazards of their food.
C.
They are overoptimistic about the safety of their food.
D.
They overstate the government's interference with the food industry.