a stoppage in a pipeline caused by gas bubbles (especially a stoppage that develops in hot weather in an internal-combustion engine when fuel in the gas line boils and forms bubbles that block the flow of gasoline to the carburetor)
vapour lock的用法和样例:
例句
An air lock sometimes happens in the water pipes of a house, especially if the water has been shut off to repair a tap, for example, and them turned on again. 气塞有时发生在住房的水管中,特别是关上水管修理水笼头,然后再拧开水管时。