单选题Which of the following types of hydraulic pumps would be used in a steering system?（）ALobeBScrewCRadial pistonDVolute
单选题
Which of the following types of hydraulic pumps would be used in a steering system?（）
A
Lobe
B
Screw
C
Radial piston
D
Volute
参考解析
解析：
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