But because it now oil and chemical use screw compressor for flow and pressure from the shaft power, high demands, at present basically also rely on imports.
但由于目前石油和化工用螺杆式压缩机对流量、排出压力、轴功率等要求较高,目前基本上还依赖进口。
2
COAXIAL shaft, Two shafts rotating one inside the other for rotating the low and highpressure compressors by the low and high pressure engine turbines.
同心轴,两个套在一起旋转的轴。用于使发动机低压和高压涡轮分别带动低压和高压压气机。
3
Because the shaft necks whirligig with high speed under highpressure, the shaft necks and bearings endure intense attrition.