【名词&注释】
增压器(turbocharger)、机动性(mobility)、四冲程柴油机(four-stroke diesel engine)
[单选题]船舶由全速前进到开始倒航所滑行的距离越小其机动性越好。对于货船一般要求不得大于船体长度的()倍,而客船不得超过()倍。
A. 6/4
B. 10/6
C. 12/6
D. 12/8
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学习资料:
[单选题]四冲程柴油机停增压器运转产生的主要问题是()。
A. 无法换气
B. 排气倒流
C. 振动强烈
D. 喘振
[单选题]It is important that the water () very often as this can lead to increased deposits.
A. not be changed
B. be changed
C. should not be changed
D. should be changed
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