摘要
本文介绍了一种用于井下探头的新型、低成本。
A new expending device with the superiorities of lowcost and higheffciency installed in the detector working in bores is introduced
出处
《地球科学与环境学报》
CAS
1999年第S1期49-51,共3页
Journal of Earth Sciences and Environment
关键词
贴壁装置
高效
井下
expending device
highefficiency
in bore
