问题
单项选择题
关于燃气加压机，下列说法错误的是( )。
A．燃气加压机类型很多，基本上有两大类：容积型压缩机和速度型压缩机
B．速度型压缩机主要是离心式压缩机
C．容积型压缩机主要有活塞式、罗茨式、螺杆式和滑片式压缩机
D．螺杆式压缩机多采用多级叶轮串连成离心式压缩机组
答案
参考答案：D
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关于燃气加压机，下列说法错误的是( )。
A．燃气加压机类型很多，基本上有两大类：容积型压缩机和速度型压缩机
B．速度型压缩机主要是离心式压缩机
C．容积型压缩机主要有活塞式、罗茨式、螺杆式和滑片式压缩机
D．螺杆式压缩机多采用多级叶轮串连成离心式压缩机组
参考答案：D
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