[单选题]When transmitted by a reduction gear, diesel engine speed is reduced and the torque available for work

正确答案 ：C

is increased

[单选题]干洗增压器涡轮在( )。

正确答案 ：A

全负荷时效果最好

[单选题]检疫官员

正确答案 ：B

sanitary officer

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