vapor-dividing head 蒸汽分配蒸馏头
The vapor mass fraction at the outlet of the elevating tube increases with the decrease of the driving liquid head.
提升管出口处的气体质量分数随着试件浸没深度的增大而减小。
In the cylinder this expansion space is provided by the vapor space or head space.
在钢瓶内，这种膨胀空间由蒸气空间或排出空间提供。
Additionally, the crew brought in "cobra head" sodium-vapor streetlamps, which play in frame behind Driver as he walks onto the beach and chases Nino into the crashing surf.
除此以外，剧组还拿了“蛇头型”（cobra head）的钠灯当路灯，用在段金发走向海滩并追赶扑向海浪的Nino的镜头里作为照明光源。
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