1) three zones
三带
1.
Actual measurement analysis of three zones of goaf of 14308 working face with fully mechanized caving method of Dong tan Mine;
东滩矿14308综放面采空区三带实测分析
2.
Study on distributing law of "three zones" and spontaneous combustion danger in the gob of fully-mechanized caving mining;
综放面采空区“三带”规律及自燃危险性研究
3.
Study on "three zones"of mined-out area and spontaneous combustion danger of workface 2106 in ChangCun coalmine;
常村煤矿2106综放面采空区“三带”规律及自燃危险性研究
2) three-zone
三带
1.
873 fully-mechanized working face in Zhuxianzhuang coal mine,five testing points were located along its slope to measure gas component and temperature so as to determine the three-zone of spontaneous combustion in goaf.
根据朱仙庄矿873综放工作面的实际情况,沿采空区倾向布置5个测点,对采空区气体成分及温度进行测定,确定出873工作面采空区自燃"三带"的范围。
3) three belts distribution
"三带"分布
4) overburden three zones
覆岩"三带"
1.
Numerical simulation of overburden three zones for mining operation with thick overburden and less depth;
厚土层浅埋深煤层开采覆岩“三带”的数值模拟
5) "three zones" division
"三带"划分
补充资料：齿形三角带
分子式：
分子量：
CAS号：
性质：又称同步齿形胶带。综合皮带、链条、齿轮等传动部件的优点。以钢丝或合成纤维做中心骨架层，工作面成齿形环状。一般是用液体聚氨酯橡胶浇注后经固化而成。也有以氯丁胶为主的。
分子量：
CAS号：
性质：又称同步齿形胶带。综合皮带、链条、齿轮等传动部件的优点。以钢丝或合成纤维做中心骨架层，工作面成齿形环状。一般是用液体聚氨酯橡胶浇注后经固化而成。也有以氯丁胶为主的。
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