1)swing control,转盘控制2)single-dial control,单转盘控制3)swing control valve,转盘控制阀4)swing control section,转盘控制部分5)swing control valve component,转盘控制阀零件6)swing control valve section,转盘控制阀部分7)swing control valve spool,转盘控制阀柱塞8)clamshell stick and swing control,抓斗杆和转盘控制9)swing control valve control,转盘控制阀控制[操纵]10)swing control valve port,转盘控制阀出[入]口
