wguAAA齿轮泵
l 简单构造 1.一对互相啮合的齿轮 (The teeth meshed)l 2.主动齿轮由原动机带动回转,齿顶和端面被泵体和前后端盖包围简单构造 1.一对互相啮合的齿轮 (The teeth mes
wguAAA齿轮泵