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(1)气压不可过低过高。拖拉机起步时,气压表指示的压力应在0.7MPa以上。如果低于这个气压,就会出现制动不灵、制动距离过长等现
(1) The pressure can not be too low or too high. Tractor start, barometer pressure should be above 0.7MPa. If below this pressure, there will be braking ineffective, braking distance is too long and so on