The lifting mechanism has small occupied space, simple structure, reasonable stress and low cost.
该提升机构占用空间小、结构简单、受力合理、制造成本比较低。
The synchronous lifting mechanism has a stable structure and simple operation, can reduce the complexity of a control system, effectively control the cutting distance and has low cost;
本发明结构稳定、操作简便、能降低控制系统的复杂性、有效控制切割距离且成本较低；
The utility model has the advantages that: make full use of high-pressure gases acting to increase the water lifting, simple structure, low cost, small assemblies.
本实用新型的有益效果为：能够充分利用高压气体做功，增加扬水量，其结构简单，成本低廉，组件少。
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