Inside the fuel line, fuel vapor may block the flow of liquid gasoline. This is called vapor lock.
在油管中汽油蒸气会阻碍液态汽油的流动，这称为气阻。
2
A piston and scraper assembly (26) for a high-pressure liquid chromatography column (1) is provided with a snap lock between the piston (5) and the scraper (25).
The upper terminal body has an upper part with a liquid crystal display and a base, such that the upper part and the base are connected to each other via lock mechanism.