An oversize hanging hole makes storage easy.
一个特大型吊孔，使存储容易。
The result shows that the main reasons are high bottom hole temperature, corrosion of drilling tool during storage and drilling process, high value of formation drillability, and multi-fault.
结果表明，井底温度高、钻具存放及钻井过程中的腐蚀和地层可钻性级值高且断层多，是该地区钻具失效的主要原因。
They step through the hole in the wall, exploring what used to be a sealed-off storage room.
他们跨过墙洞，在这个曾被封闭的储藏室中搜寻。
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