深海钻探计划
Alkyl-pectin
JOIDES
joint oceanographic institutions deep earth sampling
deep sea drilling project
deep sea drilling program
DSDP
深海海洋平台
deep water offshore platform
深海探测
deep-sea chemical measurement
deep-sea detecting
detection in deep sea
渤海钻探工程公司测井公司
well logging company
CNPC Bohai Drilling Engineering Co.
Ltd.