When the volume and between vent, oil and gasairmixture interlinked from vent discharge.
当齿间容积与排气口相通时，油气混合空气从排气口排出。
2
There is no heaven and earth the most beautiful flowers, nor the most elegant greeting CARDS, buried with the blessing it is only through the airgasmixture to convey to you.
这里没有天地间最美的鲜花，也没有最精致的贺卡，深埋着的祝福只有透过半空中的混合气体传达给您。
3
Flash fire - the combustion of a flammable gas or vapor and airmixture in which the flame propagates through that mixture in a manner such that negligible or no damaging overpressure is generated.