词汇	coal bog-head
释义	coal bog-head 藻煤
随便看	semisubmersible drilling rig semi-submersible drilling rig semi-submersible drilling ship semisubmersible drilling unit semi-submersible drilling unit semi-submersible drilling units semisubmersible drilling vessel semisubmersible drill rig semi-submersible ferry-type landing semi-submersible heavy laden ship semi-submersible heavy lift ship semi-submersible heavy lift vessel semisubmersible multi-service vessel semi-submersible pipe-laying barge semisubmersible platform semi-submersible platform semisubmersible rig semi submersible rig Semi-submersible rig semisubmersible rigs semisubmersibles semi-submersibles semi-submersible ship semisubmersible tug boat semi-submersible type drilling rig