回转左/右 slewing left/right

左回转 Left rotation ; Swing Left

左回转试验 left turning test

左侧回转油缸 left side swing cylinder ; lh swing cylinder

向左回转操作 swing left operation

左回转油缸 left slew cylinder

左回转按钮开关 left slew thumb switch

向左回转的速度 swing left speed

左回转电磁阀故障 left slew solenoid valve defect

向左回转的管路 swing left line