(历法)息汪月(即犹太教历3月,犹太国历9月,在公历5、6月间,共30天);
The characteristics and treatment mechanism of mine water with high concentration of iron and manganese were studied with mine water produced in Jiukuang and Siwan in Hebi Coal Industry Group Co.
以鹤壁煤业集团九矿和寺湾矿矿井水为例,对高铁高锰矿井水的水质特征及其净化机制进行了研究。
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