Cold weather starting of a diesel engine is more difficult than warm weather starting due to()
A. use of low viscosity oil in cold weather
B. increased moisture content of inlet air in cold weather
C. increased drag of pistons and bearings due to increased oil viscosity
D. higher compression pressures reached due to smaller clearances existing in the engine during cold weather
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Which two are valid and equivalent?()
C. int i;
D. int i;
E. int i;
软件需求工程师的职责不包括以下的哪一项()。
A. 撰写需求规格说明书
B. 与用户持续沟通,了解用户对产品的期望
C. 控制项目的风险
D. 对需求的优先级进行排序
在治疗洋地黄中毒所引起的室性心动过速时,禁忌使用()
A. 氯化钾
B. 苯妥英钠
C. 普罗帕酮
D. 利多卡因
E. 直流电复律