单层保温海底管线
singly insulated pipeline
单重保温海底管线
thermally insulated ocean pipelines
海底管道
seagoing pipeline
marine pipe
bionic aquatic weed
the Seabed Pipeline
submarine pipeline
sub-sea pipeline
subsea pipeline
seafloor pipeline
submarine pipelines
sub - sea pipeline
submarine main
pipeline under sea
subsea pipe
subsea flowline
keywordsubmarine pipeline
marine pipeline
pipeline
offshore pipeline
bed pipe line
seabed pipeline
sub- marine pipeline
stuctural integrity
subsea pipe section
marine pipelines
undersea pipeline
sub-sea pipe
海底管道路由
submarine pipeline routing
海底管道维修
underwater pipeline repairing
海底管道系统
subsea oil and gas pipeline
submarine pipelines system
双层管单层连接管道
double-walled pipe with single-walled connection
双层保温管
double-layer and insulated pipeline
保温管道
thermal insulation pipeline
insulated pipeline
pipeline insulation
管道保温优化设计
the optimal design of thermal insulation on the pi
热网管道保温
heat netting pipeline heat preservation
无补偿直埋保温管道
non-expand insulated piping