绞车操纵维修方便、安全可靠、适合于中小型矿山使用。
The hoisting gear is easy to control and maintain, safe and reliable, suitable for middle and small mines.
新浦磷矿为一水文地质条件较复杂，海淤、流砂威胁井下开采的中小型矿山。
Xinpu Phosphate Mine, medium and small-sized, features Complicated hydrogeological conditions and Marine sludge and heaving sand menacing underground operation.
四川省的中小型矿山多，环境现状影响因素多，影响范围大，严重影响了当地群众的生产生活。
Middle-size and small-size mines in Sichuan as well as complex environmental influence factors have seriously affected the local people's life and production.
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