本发明提供一套自力式机械装置、自动调节活动堰板、反冲阻流器、提拉阀。
This invention provides a set of self-powered mechanical device, an auto-regulating movable weir-plate, a back-flushing buffer and lift-pull valve.
通过对活动堰测流进行实验研究和理论分析，认为活动堰过流的淹没度限值高，理论计算流量精度满足测流要求。
Experiment and analysis of movable weir for flow measurement indicate that the modular limit of movable weir is relatively high. And the accuracy of theoretical discharge calculated is satisfied.
张堰铜矿床的成因应归属于与中酸性岩浆的侵入活动有关的接触交代矽卡岩型矿床，具有较明显的层控特征。
After detailed geological prospecting and evaluation on Zhangyan copper deposit, the level of investigation on the geological characteristics of deposit has been raised.
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