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变密度记录
 变密度记录
tech. variable-density record
| 剖面
 剖面
hydroel.st. profile
hydrol. cross-section
met. cut; cutaway; section plane; sectional plane
space cut plane
stat. cross section
tech. ground profile

to phrases
变密度记录
tech. variable-density record
变密度记录
: 5 phrases in 2 subjects
Oil / petroleum1
Technology4