A.5 B.11 C.12 D.14
A.5700-SBT B.AT+-SBT C.VDL D.CBL
AT+-SBT測井儀,將管外環(huán)形空間分為()等份,測量水泥膠結(jié)質(zhì)量。
A.5 B.6 C.7 D.8