1) extra-heavy sheet，extra-thick sheet glass
特厚玻璃板
2) extremely thick
特厚
1.
Underground pressure behavior rules were obtained by observation of working resistance of supports,stress of surrounding rock and movement of top coal in full-mechanized caving mining face in Anjialing 1st Mine,which provided foundation of safe and high-effect mining for full-mechanized caving mining face in shallow buried and extremely thick coal seam.
通过对安家岭一号井综放工作面支架工作阻力、围岩应力、顶煤活动等的实测研究,得出了综放工作面矿压显现规律,为实现浅埋深特厚综放工作面安全高效回采提供了依据。
3) extra thick seam
特厚煤层
1.
Research on strata behavior law of fully mechanized longwall caving mining face in extra thick seam in Datong Mine Area;
大同矿区特厚煤层综放采场矿压显现规律研究
4) special thick seam
特厚煤层
1.
Study on observations on underground pressure of special thick seam at full seam gateway in high stress area;
特厚煤层高应力区全煤巷道矿压显现规律研究
5) thick coal seam
特厚煤层
1.
Fu Gas thick coal seam,the short duration of spontaneous combustion technology Face rapid retracement;
富瓦斯特厚煤层、自燃发火期短工作面快速回撤技术
6) heavy wall forgings
特厚锻件
1.
The quenched and tempered thickness of the 2~1/_4Cr-1Mo-~1/_4V steel heavy wall forgings with high technical requirement used for the hydrogenation reactor is 477.
加氢反应器用21/4Cr-1Mo-1/4V钢特厚锻件的调质厚度为477。
参考词条
补充资料：特厚有机玻璃
分子式：
CAS号：
性质：一般指厚度超过20mm的有机玻璃。现在已可制造200mm左右的特厚有机玻璃板材。具有透明性、安全性；耐久性、易加工等特点。一般物理和机械性能和铸型有机玻璃相仿。以甲基丙烯酸甲酯为基本原料，经烘房、水箱、辐射或室温(用低温引发剂)铸型本体聚合制造。主要用于大型水槽及安全防护等。
CAS号：
性质：一般指厚度超过20mm的有机玻璃。现在已可制造200mm左右的特厚有机玻璃板材。具有透明性、安全性；耐久性、易加工等特点。一般物理和机械性能和铸型有机玻璃相仿。以甲基丙烯酸甲酯为基本原料，经烘房、水箱、辐射或室温(用低温引发剂)铸型本体聚合制造。主要用于大型水槽及安全防护等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。