美国买家对三缸、四缸动力的车会有什么样的反应？
And how will American customers react to a succession of three and four-cylinder cars?
通过流量控制缸体作步进式运动，步进缸拖动中子吸收元件，控制核反应的进行。
The cylinder will move step by step by controling flow, then the cylinder drives the neutron absorber and controls nuclear reaction.
它以反应堆冷却剂(水)为工作介质，经泵加压后，注入安装在压力壳内的水力步进缸。
The reactor coolant (water) is used as actuating medium, pressed by pump, and then injected into hydraulic step cylinders which are set in the reactor vessel.
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