1. The gas grade appraising in the coal mine is a main approach to estimate whether a coal mine is a low or high gas mine, or coal &gas outburst one, and to prevent gas explosion and mine firing. 矿井瓦斯等级鉴定是确定煤矿属于低瓦斯矿井、高瓦斯矿井还是煤与瓦斯突出矿井以及预防煤矿瓦斯爆炸危险和矿井自然发火危险等的一个重要手段。
2. Magnesium mine, salt mine, Bromine mine, Piezoelectric Crystal. 镁矿，盐矿，溴矿，压电水晶，铸石用玄武岩。
3. Magnesium mine, salt mine, Bromine mine, Piezoelectric Crystal. 镁矿，盐矿，溴矿，压电水晶，铸石用玄武岩。
4. Cave forming from salt mine exploiting is a kind of excellent storage. It is important to link salt mine exploiting with strategic state reserve petroleum storage. 岩盐开采形成的盐穴是优良的储存资源，将这一资源的利用与建立我国战略石油储备库结合起来具有十分重要的现实意义。
5. The thermohaline sauces flowed into ocean at last, so the seawater includes lots of salt. The salt lake and salt mine were shaped at the same time. 热盐溶浆涌出后，地壳随之塌陷，形成了山脉与海洋洋底，盐溶浆回流冷却注入海洋，沉淀后形成了目前的海洋、盐湖与盐矿以及其它矿床。
网络释义
common salt cooking salt salt table salt 食盐;
common salt cooking salt salt table salt 食盐;
common salt cooking salt salt table salt 食盐;
common salt cooking salt salt table salt 食盐;
Ship coatings - Determination of resistance to salt water - Salt water and hot salt water immersion method 船舶漆耐盐水性的测定 盐水和热盐水浸泡法;
