| 摘要 |
PURPOSE: A hydraulic line system for a working vehicle and a flow control valve applied thereon are provided to equally adjust the speed of extension and contraction of a second pair of hydraulic cylinders by the adjustment of working oil supplied to the second pair of hydraulic cylinders. CONSTITUTION: A hydraulic line system for a working vehicle comprises hydraulic lines(41,42). The hydraulic line comprises a first pair of hydraulic lines, a second pair of hydraulic lines, and a flow control valve(50). The hydraulic line supplies working oil to the first pair of hydraulic lines formed in the working vehicle such as a tractor, so the second pair of hydraulic cylinders.
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