The main target coal seam of Xieqiao Mine is directly covered with the Quaternary bottom gravels, whose impermeability affects the reasonable retainment of waterproof pillar.
第四纪底砾层直接覆盖在谢桥煤矿煤系地层之上，其隔水性能影响到防水煤柱的合理留设。
The roof is covered by standing-seam titanium zinc panels, which blends into the neighboring roofscapes.
屋顶覆盖着站缝钛锌板，融入周围的屋顶景观中。
The invention is of 'T'-shape, including a microplate, covered on the seam after cutting the skull or the neural plate, and is vertical with the seam.
本发明呈“T”型，包括一微型板，覆盖在颅骨或椎板切除后的骨缝上， 并与骨缝垂直；
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