阿果石油APP正式发布
石油推广咨询
石油地质QQ群:181983917
物探地震反演群:165218480
阿果石油官方微信公众号:agoil2005
UID:410571
UID:292418
UID:11276
UID:363516
UID:481574
UID:331490
dashing:变频后电压电流都会有变化的,电流下降,电压会上升,维持功率不变。还得结合排量等数据吧 (2013-08-27 11:10)
UID:486879
UID:361901
UID:319703