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油砂层
 油砂层
oil pay sand
| 等高线图
 等高 线图
archit. contour map
 等高线 图
life.sc. contour chart
met. contour map
tech. contour plan
 等高线图
bridg.constr. contour sheet
eng.geol. contour diagram
space isogram
stat. contour chart
tech. contour line map

to phrases
油砂层
oil pay sand
油砂层: 36 phrases in 6 subjects
Desert science1
Drilling6
Earth sciences2
Geology2
Oil / petroleum20
Technology5