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mud sample
 mud sample
dril. 泥浆样品
| source
 source
gen. ; 来源
hydroel.st. 源头; 源点
met. 起源; 原因; 成因
semicond. 源区

to phrases
mud sample
dril. 泥浆样品
oil 泥浆试样
mud sample
: 13 phrases in 3 subjects
Drilling6
Geophysics5
Oil / petroleum2