【名词&注释】
规章制度、荨麻疹(urticaria)、排气阀(exhaust valve)、抗过敏药(antiallergic drugs)、四冲程柴油机(four-stroke diesel engine)
[单选题]不能列为轮机部档案的文件资料是______。
A. 设备证书
B. 规章制度
C. 函件
D. 船舶资料簿
查看答案&解析
点击获取本科目所有试题
举一反三：
[单选题]白棕绳受潮后，强度比原绳降低约：()
A. 1/5
B. 1/4
C. 1/3
D. 1/2
[单选题]To safeguard the operator and other personnel working on or near a hoisting operation, which of the following precautions should be observed?
A. Keep a load on the hoist until all personnel are finished working
B. Set the load on a movable dolly when transportation may be needed
C. Have one man keep a hand on the load to steady it
D. Insure that the lifting gear capacity is not exceeded
[单选题]在四冲程柴油机(four-stroke diesel engine)中，使膨胀损失增大的原因是（）。
A. 进气阀提前开启角太大
B. 进气阀提前开启角太小
C. 排气阀提前开启角太大
D. 排气阀提前开启角太小
[单选题]对荨麻疹的治疗，以下哪种方法是正确的______。
A. 局部皮肤涂碘酒
B. 少饮水
C. 饮酒
D. 用抗过敏药
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