Now that the Dakota Fire Hole is properly constructed, you can partially fill the fire pit chamber with dry combustible kindling materials and light the fire.

现在火坑已经挖好了，我们在坑底放好一些易燃的干燥细枝，然后在坑边上堆好引火柴堆，用火机或引火石点燃火绒，在上边堆柴火把火烧大，然后将这些火推到火坑中即可。

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The paper describes the sequence of mineral products used by the Chinese, mining pit and chamber, mining method and the source of the term "mineral resources".

本文叙述了中国人使用矿产品的先后次序，采矿坑峒、采矿方法及充填工艺的起源，和矿藏一词的由来。

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The system consists of a swirling chamber, two vertical buckets on its wall, a drop shaft and a water cushion pit with one blind tunnel.

本文通过模型试验研究涡室-竖井内消能系统，用内设阻涡坎的涡室连接泄洪洞和竖井，带盲洞的消力井连接竖井和导流洞。

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Stephen Sondheim may be a Broadway baby, but most of the best revivals of his musicals have been mounted in small-to-medium-size theaters and accompanied by chamber ensembles, not budget-busting pit orchestras.

WSJ: Theater Review: The Subtle Joys of Small-Scale Sondheim