This paper analyzed the influence of mining depth, coal seam dip, mining height and face length on depth of floor water-conductive fissure zone.

综合分析了开采深度、煤层倾角、煤层开采厚度、工作面斜长等地质采矿条件对底板采动导水破坏带深度的影响。

youdao

Of course, I think Obama would clean the floor with Herman Cain, whose depth of policy knowledge is shallow to say the least.

FORBES: Raising Cain: Why a Herman Cain Primary Victory Might Be a Good Thing

The Thresher sank toward the ocean floor after losing power, until it imploded below crush depth into thousands of pieces.

WSJ: Work stalled on Thresher memorial park in Maine

Locating a ship resting on the floor of the ocean for many decades is somewhat different than finding a submersible to get to that depth and plugging many leaks in a riser pipe and in a blowout preventer.

WHITEHOUSE: Press Briefing