hermetical造句怎么写
- 造句
- 关注:2.34W次
By 2005, all the gas stations, main oil storage tanks and the oil refinery enterprises in the city should have installed hermetical oil gas recovery facilities.
Conservation: hermetical product can be saved for a yeay in the shade and in the dry place.
The author introduced the construction character and hermetical principle and application in practice of multiple arrangement metal and hard hermetical gas butterfly value.
The novel and hermetical structure is suitable for operation under the states of both positive and negative pressure.
标签:
造句 hermetical
- 文章版权属于文章作者所有,转载请注明 https://zhongwengu.com/zh-cn/sentence/qn1g99.html