Pump wear parts are mainly drive shaft and bushing, passive gear center hole and shaft pin, pump shell lumen and gear, gear face and pump cover, etc.

齿轮泵的磨损部位主要有主动轴与衬套、被动齿轮中心孔与轴销、泵壳内腔与齿轮、齿轮端面与泵盖等。

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Usual plate gear have big diameter, but thin in depth, and have a axle hole in the center, so it can be simplified into a thin disc ring.

由于常用的盘形齿轮直径大，厚度小，且中间有较大的安装轴孔，所以可以将其简化为薄环盘，与变幅杆组成变幅器。

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Based on some rule, the improved GEAR algorithm established multipath from the source node to the target region, at the same time, it can avoid the identical node encountering the same hole again.

改进的GEAR算法从均衡网络流量出发，根据规则建立了从源节点到目标区域的多条路径，并且避免了同一节点重复面临同一路由空洞问题。

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By the time it was finished, every member of First Platoon had shrapnel or a bullet hole in their gear.

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And by the time it was finished, every single member of that platoon had shrapnel or a bullet hole in their gear.

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