真空泵油窗部位也要留出适当的空隙排除废气。
Vacuum pump oil window parts Yaoliu Chu also excluded from the appropriate gap.
矿物质丰富营养价值高，对排除长久废气物功效格外显著。
The mineral quality enriches nourishment value Gao and shows Zhao towards expeling lasting long waste gas thing effect particularly.
这些交通运输工具所排除的废气污染空气。
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