论坛有帖说后道水枪http://www.frj123.com/bbs/forum.php?mod=viewthread&tid=8488&page=1#pid71070 现简单说说: A拧下里面塑料芯不能装反; B上面螺钉松开可以把A整个抽出来,里面的活塞和弹簧是易损件; C有个小 ...
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