The lifting elevator carryingcapacity, suitable for two people (can carry some weight tools and materials) at the same time climbing;
该升降货梯承载能力强，适合于两人（可携带一定的重量工具和材料）同时登高作业；
2
The wider the sand graduation and the bigger the weight ratio of the fine sands, the bigger the sand carryingcapacity of flow in the same hydraulic dynamic condition.