| 摘要 |
The distribution mechanism may be fixed or mobile and may have telescopic elements whose movement is linked to the opening and closing of distributors located on them. The mechanism is operated by a joystick type control (7) comprising a lever (1) which rocks to four orthogonal positions left, right, down and up (G,D,P,T). A knob (2) has two actuating buttons (A,B) and a stop/go trigger (M).
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