【名词&注释】
柴油机(diesel engine)、长时间(long time)、可燃混合气(combustible mixture)
[判断题]霍乱病人有呕吐、腹泻且腹痛明显。
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举一反三：
[单选题]长时间蹲位工作时，突然直立可导致()。
A. 休克
B. 昏迷
C. 昏厥
[单选题]注射部位消毒的正确方法是______。
A. 先用酒精、后用盐水消毒
B. 先用碘酒、后用酒精消毒
C. 先用盐水、后用酒精消毒
D. 先用酒精、后用碘酒消毒
[单选题]用节流调节法改变泵的流量一般应改变( )阀的开度。
A. 吸入
B. 排出
C. 旁通
D. 安全
[单选题]The operation of _______two alternators requires the voltages to be equal and also in phase
A. paralleling
B. series-mounting
C. running
D. controlling
[单选题]柴油机缸内燃烧的物质是()
A. 空气
B. 燃油
C. 氧气
D. 可燃混合气
[单选题]Electrical supply is always needed even if only for lighting so after a ship goes into service it is extremely rare for the main bus-bars to be dead, it therefore follows that the bus-bars are continuously alive the life of the ship.
A. along
B. with
C. throughout
D. for
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