shaft coal pocket

例句：

1. 1.The miner used a shaft coal pocket to store the coal he had collected.
   矿工使用一个煤管口袋来储存他收集的煤炭。
2. 2.The coal pocket was designed to protect the coal from dust and other contaminants.
   这个煤管口袋被设计用来保护煤炭免受灰尘和其他污染物的侵害。
3. 3.The miners used the shaft coal pocket to transport the coal from the mine to the surface.
   矿工们使用煤管口袋将煤炭从矿井运送到地面。