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灰岩坑
desert. aguada (墨西哥); aven; cloup; sinkhole; sinkhole lake; swallow hole
fr., desert. doline; dolina
oil sotch
tech. water sink
石灰岩地体上的灰岩坑
gen. tomo
灰 岩坑: 13 phrases in 5 subjects
Desert science1
Drilling1
Electronics1
Oil / petroleum4
Technology6