air to underwater是什么意思 air to underwater怎么读
air to underwater的用法和样例
用作形容词 (adj.)
- With the development of underwater sports, the requirement to underwater lifesaving has been stricter.
随着水下健身运动的发展，对水下救生的要求越来越高。 - In the article,the nitrogen and system pressure of underwater hydraulic impulsion shovel was analyzed.
对水下液压冲击铲的氮气室与冲击活塞系统压力进行了分析。
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