A.2.5mm B.3.5mm C.4.5mm
A.4% B.6% C.8%
A.聲波時(shí)差測(cè)井 B.補(bǔ)償中子測(cè)井 C.補(bǔ)償密度測(cè)井 D.井徑測(cè)井