Trunk capacity of the largest, the most wide: bold key than the calf, as it should be reactive with the lower leg and foot, and the small intestine can be as long as a drivepin.
躯干的容量最大，所以最宽：大胆比小腿钥，因为它要带功小腿和脚，而小肠只要带动脚就可以了。
2
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。
3
In an industrial sinter chain, the drive type of the spider and pallet cars is gear and pin rack transmission.