英语词汇“extremely thick coal seam”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	extremely thick coal seam
释义	extremely thick coal seam 基本例句特厚煤层 Introduced the prevention methods and practice experience for the sixth pit in Xingshang Coal Mine adopted longwall inclined slicing experence mining method.介绍了兴山矿六井采用倾斜分层走向长壁采煤法开采特厚煤层，防治自然发火的经验。
随便看	gear composite error tester gear compound gear compressor gear cone gear contact gear contact pattern gear contact ratio gear contact tracks gear contour profiling gear control gear control lever gear-control mechanism Gear Control Pedal gear conveyer gear core-pulling gear cotter gear counter gear coupling Gear Couplings gear coupling with elastic pin gear coupling with elastic pins gear cou pling with elastic pins gear cou-pling with elastic pins gear cover gear cover seal