[地球科学] coal mining under water body 水体下采煤 收藏 
[地球科学] coal mining under a river 河流下开采 收藏 
[地球科学] Coal Mining Under Water-containing 保水采煤 收藏 
[地球科学] Coal Mining under Village 村庄下压煤 收藏 
[地球科学] Coal Mining under buildings 建筑物下压煤; 建筑物下采煤; 三下采煤 收藏 
[地球科学,生活] overlying strata under coal mining conditions 采动覆岩 收藏 
[地球科学] coal mining actions 煤层开采对策 收藏 
[地球科学] mining pressed coal 压煤开采 收藏 
[地球科学] fully mechanizad coal mining face 综采工作面 收藏 
[地球科学] Chengjiao Coal Mining 城郊煤矿 收藏 
[地球科学] Shaopu coal mining 少普矿区 收藏 
[地球科学] Coal Mining under buildings 建筑物下压煤; 建筑物下采煤; 三下采煤 收藏 
[地球科学] mining under water-bearing strata 含水层下采煤 收藏 
[地球科学] Mining under Sea 海底采煤; 海下采煤 收藏 
[地球科学] coal mining under a river 河流下开采 收藏 
[地球科学] rock mass under mining 采动岩体 收藏 
[机械] cabtyre cables used for the shuttles under coal mine 煤矿井下梭车用软电缆 收藏 
[地球科学,生活] overlying strata under coal mining conditions 采动覆岩 收藏 
[地球科学] coal mining under water body 水体下采煤 收藏 
[生活] Aerophotogrammertry and Remote Sensing Bureau Under China Meihang Coal Group 龋蚀严重指数; 中国煤田地质总局航测遥感局 收藏 
[地球科学] shallowly buried coal seam under soil strata 土层覆盖下浅埋煤层 收藏 
[地球科学,生活] Chlorine Content in Coal 煤中氯; 节流器; 媒中氯含量 收藏 
[生物医学,石油化工,机械] powder coal 粉煤 收藏 
[地球科学] countermeasure of coal enterprises 煤企对策 收藏 
[地球科学] Chinese Equipment of Fully Mechanized Mining 中国综采设备 收藏 
[地球科学] mining equipment maintenance 矿山设备维修 收藏 
[电子信息] state evolution patterns mining 状态演化模式挖掘 收藏 
[地球科学] Brittle fracture under low temperature 低温冷脆 收藏 
[生活,人文] under cover 隐藏着; 隐蔽 收藏 
[机械] Piles Under Lateral Load 水平承载桩 收藏 