我们自己设计了一种润滑油计量发油车,其工作原理如下:通过两个单向阀相互交替而工作,计量牌座1上有10个定位销2,每个定位销代表一两。当你需要半斤润滑油时,则可将第5个定位销拨出,顺时针摇动手柄3,使 We have engineered a lubricant metering truck that works as follows: Working through two check valves alternating with each other, there are ten locating pins on metering deck 1, one for each locator pin. When you need half a catty of oil, you can set aside the fifth pin, shake the handle 3 clockwise