Terms for subject Rail transport containing variable

English	Chinese
generalized variable	广义变量
loop variable method	循环变量法
time-variable rate of cant deficiency	欠超高时变率
time-variable rate of superelevation	超高时变率
variable cross-section beam	变截面梁
variable displacement piston pump	变量活柱塞泵
variable frequency convertor	可调牵引变频器
variable load	变化荷载
variable load valve	变载荷阀
variable motor	变量马达
variable multi deck automobile transportation car	变层式多层汽车运输专用车
variable oblique wing	变斜翼
variable stiffness spring	变刚度弹簧
variable sweep wing	变后掠翼
variable temperature selection	变换温度选择
variable voltage speed control	变压调速
variable voltage variable frequency	变频变压调速VVVF