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
offshore pipeline
subsea pipeline
submarine pipeline
seabed pipeline
undersea pipeline
subsea pipe section
pipeline under sea
subsea pipe
submarine pipelines
seafloor pipeline
the Seabed Pipeline
submarine main
sub - sea pipeline
subsea flowline
pipeline
bed pipe line
marine pipelines
seagoing pipeline
stuctural integrity
marine pipeline
keywordsubmarine pipeline
sub-sea pipeline
marine pipe
sub-sea pipe
sub- marine pipeline
bionic aquatic weed
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