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天然井
desert. pozo
eng.geol. cenote; karst well; native well; natural well
石灰岩溶蚀形成的天然井
gen. cenote
天然气井
tech. gas well
天 然井
: 28 phrases in 7 subjects
Chemistry1
Drilling3
Economy1
Engineering geology3
Mining4
Oil / petroleum4
Technology12

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