单词：compressed gas
compressed gas的用法和样例：
例句
- Liquefied compressed gases come in a variety of containers.液化压缩气体可以装在多种容器里。
- Typically hydrogen is stored in pressure tanks as a highly compressed gas at ambient temperature.常温下，氢气通常以高度压缩气体的形式，贮存于压力瓶中。
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