测探 meaning in English

fathom
sounding

Technical specifications for magnetotelluric sounding
石油大地电磁测探法技术规程
Supersonic deep - well detector for submerged shaft sinking
淹水沉井超声波深井测探仪
Water quality - physical , chemical and biochemical methods - determination of fluoride : electrochemical probe method for potable and lightly polluted water
水质.第2部分:物理化学和生物化学方法.第41部分:氟化物含量测定:轻度污染水便携式电化学测探器法
Salvage operations refer to the engineering operations on the sunken ships and sunken articles , including scanning , measuring , surveying and probing as well as actual lifting and related activities , carried out in accordance with the joint salvage contract or the contract for the chinese - foreign cooperative salvage enterprise
四)打捞作业，是指根据共同打捞合同或者中外合作打捞企业合同，对沉船沉物进行的各种施工活动，包括扫测探摸、实施打捞及相关的活动。