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【单选题】
The speed of a radial piston hydraulic motor is controlled by varying the ___A.
amount of cylinder block offset with respect to the rotor
B.
fluid flow rate discharged to the motor
C.
length of the motor piston stroke on the power cycle
D.
pintle discharge rate to the suction side of the pump
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举一反三
【判断题】The only difference between Chinese and western food is in the way we eat.
A.
正确
B.
错误
【简答题】已知字典 dic={ '小明':[90,80], '小红':[65,88], '小琳':[90,100] }，则执行表达式 dic['小明'].pop() 后，表达式 dic['小明'] 的值为______________
【简答题】已知字典 dic={ '小明':[90,80], '小红':[65,88], '小琳':[90,100] }，则表达式 len(dic['小明']+dic['小红']) 的值为______________
【简答题】Complete the following passage on “How to behave properly at table” with the words in the box. Tabletop just uncultured take Full chewing rest ...
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