1) multiple seam blocks
多煤层采区
2) multi-layer worked-out areas of coal seam
煤矿多层采空区
3) coal mined-out area
煤层采空区
1.
The treatment of dangerous rockbody of coal mined-out area in Lianziya of the Three Gorges of Yangtze River is introduced.
介绍了长江三峡链子崖危岩体防治工程煤层采空区的治理情况。
2.
The deforming-cracking mechanisms of strong pulling-apart in south-north direction, weak pulling-apart in east-west direction ,and anticlockwise rotation on the horizontal were been recognized after analysis of distribution of coal mined-out area, geopressure action on the roof, and rock body fracturing and deformation in last twenty yea s in this article.
文章通过对煤层采空区的分布、地压作用、山体开裂和近２０多年来的变形等方面的综合分析，得出链子崖危岩体具有南北强拉裂、东西弱拉裂和平面反时针转动的立体开裂变形机制。
4) coal gob area
煤层采空区
1.
The control of coal gob area in Lianziya Dangerous Rock Mass;
链子崖煤层采空区治理工程及质量控制
2.
Survey design of the tunnel in the coal gob area;
煤层采空区隧道的勘察设计
3.
Connecting with the actual situation of the construction, and according to the features of the coal gob area, this paper introduces the treatment of the geological hazards for the foundation by using completely filled grouting.
结合施工实际情况,根据煤层采空区的特点,介绍了采用全充填注浆法施工工艺对其地基进行地质灾害治理的情况。
5) coal bed of worked-out area
采空区煤层
6) thick coal seam panels
厚煤层采区
1.
Preliminary analysis on roadways management in thick coal seam panels in Yanzhou and Jidong coal fields;
浅析兖州、济东矿区厚煤层采区巷道布置方式
补充资料：多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯，简称PAPI，或称粗MDI，浅黄色至褐色粘稠液体．有刺激性气味。相对密度(20℃／20 ℃)1．2，燃点218℃。PAPI实际上是由50％MDI与50％官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低，蒸气压低，只是TDI的百分之一，故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中，改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内，远离火种、热源。严格防水、防潮，避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中，改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内，远离火种、热源。严格防水、防潮，避免光照。
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