发布时间:2025-01-30 22:49:26
把气泵的活塞、活塞环、钢套换掉就行了,注意活塞环安装的方向,开口不要重叠。不会换最好到维修店换,很便宜的。 漏气,换一个。
以前农村老式双开大门关上后在两扇门中间再立一根柱子堵门这根柱子叫什么名字
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