- 煤田 coal field
- 钻井 borehole; well drilling
- 煤田 coal field◇煤田构造 coalfield structure; tectonics of coalfield; 煤田开发 coal field development; 煤田钻井 coal drilling
- 煤田气 coal field gas; coalfieldgas
- 煤田区 coal field area
- 泥煤田 turfary
- 钻井 borehole; well drilling 海洋钻井 offshore drilling; 钻井泵 pump; 钻井船 drill ship; offshore drilling rig; 钻井队 drilling crew; drilling team; 钻井工 spudder; 钻井工人 driller; 钻井机 trepan; 钻井平台 rig; an off-shore oil rig; 钻井事故 drilling failure
- 半出露煤田 semiconcealed coalfield
- 暴露式煤田 exposed coalfield
- 爆露式煤田 exposed coalfield
- 伯朝拉煤田 pechorskiy ugolnyy basseyn
- 出露煤田 exposed coalfield
- 顿涅茨煤田 donetskiy ugolnyy basseyn
- 海底煤田 offshore coal field; submarine coal field; submarine coalfield; submarinecoalfield; undersea coal field
- 近海煤田 offshore coal field
- 煤田,产煤区。 coal field
- 煤田;盆地;贮水池 basin
- 煤田地质 coal geology
- 煤田地质图 geological map of coalfield
- 煤田地质学 coal geology
- 煤田构造 coalfield structure
- 煤田开发 coalfield depletion
- 煤田勘探 coal exploration
- 煤田评价 coaldeposit valuation
- 煤田曝露型 exposed type of coalfield
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