subsurface blowholes皮下气泡
unoxidized blowholes非氧化气孔
free of blowholes无气泡
Blowholes on the top开天窗
freehandle breaker of blowholes无气泡
PINHOLES AND BLOWHOLES针孔及气孔
fill up of blowholes补焊气孔
Punakaiki Pancake Rocks and Blowholes普纳凯基千层石岩
N（名词） the nostril, paired or single, of whales, situated far back on the skull (鲸头顶的)呼吸孔