A.軟 B.松軟及高塑性 C.高塑性 D.較硬和含硬質(zhì)結(jié)核、硬夾層的
A.0.1~0.2 B.0.2~0.3 C.0.4~0.5 D.0.5~1
A.鉆速對(duì)巖心 B.鉆時(shí)對(duì)巖心 C.地層對(duì)巖心 D.井深對(duì)巖心