1) three-underground mining
三下开采
2) Under three mining risk decision
"三下"开采风险决策
3) mining of seams in conditions of"three unders-one above"
"三下一上"压煤开采
4) underground mining
地下开采
1.
Research on underground mining techniques and damage prevention methods of gypsum mine;
石膏矿地下开采技术及灾害防治措施研究
2.
Study on assessment methods of underground mining to surface buildings;
矿山地下开采对地表建筑物影响的评价方法研究
3.
Analysis for stability of natural slope due to underground mining of the phosphorus ore in Liushan-gou mine;
柳山沟磷矿地下开采自然坡稳定性分析
6) falling caused by mining
开采下降
补充资料：苯并三唑-1-三(三甲氨基)-三氟磷酸酯
CAS: 56602-33-6
分子式: C12H22F6N6OP2
分子质量: 442.28
熔点: 136-140℃
中文名称: 苯并三唑-1-三(三甲氨基)-三氟磷酸酯
英文名称: (1-hydroxy-1h-benzotriazolato-o)tris(n-methylmethanaminato)-phosphorus(1++
benzotriazol-1-yloxytris(dimethylamino)-phosphonium hexafluorophosphate
benzotriazol-1-yl-oxytris(dimethylamino)phosphonium hexa-fluorophosphate(bop)
benzotriazol-1-yl-oxy-tris(dimethylamino)phosphonium hexafluorophosphate
分子式: C12H22F6N6OP2
分子质量: 442.28
熔点: 136-140℃
中文名称: 苯并三唑-1-三(三甲氨基)-三氟磷酸酯
英文名称: (1-hydroxy-1h-benzotriazolato-o)tris(n-methylmethanaminato)-phosphorus(1++
benzotriazol-1-yloxytris(dimethylamino)-phosphonium hexafluorophosphate
benzotriazol-1-yl-oxytris(dimethylamino)phosphonium hexa-fluorophosphate(bop)
benzotriazol-1-yl-oxy-tris(dimethylamino)phosphonium hexafluorophosphate
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条