air bladder是什么意思 air bladder怎么读
air bladder的英文翻译是什么意思，词典释义与在线翻译
Noun:- an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
air bladder的用法和样例
用作名词 (n.)
- Between the fibers are many small pockets of air.
纤维之间有很多小气泡。 - Methods were proposed to prevent air entrain-ment.
同时提出了充模过程中防止气泡卷入的措施。
展开更多
