四 – phrases

Terms for subject Wind Energy containing 四 | all forms

Chinese	English
三相变频双向背靠背四象限 PEC	three phase variable frequency bi-directional back-to-back four-quadrant PEC
双列四点接触球轴承	double row four point contact ball bearing
四位数字系列翼型	four digit series airfoil NACA
四分之一弦点	quarter chord point
四方的	square
四方螺母	square nut
四点球轴承	four point ball bearing
四爪	four paws
四爪单动卡盘	four-jaw independent chuck
四爪卡盘	four-jaw plate
四爪卡盘	four-jaw chuck
四爪同心卡盘	four-jaw concentric chuck
四腿钢桁架式塔架	4-legged steel truss tower
四象限	quadrant
四象限背靠背PEC	four quadrant back-to-back PEC
四象限运行	four quadrant operation
逆四象限运行	bidirectional and reversible 4 quadrant operation