Turn off nozzle and then the supply. There must be no leakage at the device, hose or the nozzle.

关闭喷嘴，然后关闭供应水源。这时这种装置、软管或喷嘴上必须没有泄漏。

youdao

Residents are also prohibited from using a hose to wash off paved surfaces and must use a hose equipped with an automatic shut-off nozzle when washing their cars.

该法令同样禁止居民利用水管来冲刷光滑的路面，以及规定居民必须使用带有自动闭合喷嘴的水管来清洗车辆。

youdao

Moving as if I were in race, I got the hatch open, the cap off, the card scanned, and the nozzle in the tank within seconds.

移动，就好像我在比赛，我把舱口打开，帽子摘下，卡扫描，并在几秒钟内罐喷嘴。

youdao

They cut off the part of the nozzle where the cracks occurred.

WSJ: SpaceX Acts Fast for New Launch

But that launch too was less than perfect, with technicians during the final days before liftoff deciding to trim off four feet of rocket-motor nozzle extensions with metal shears to address an unexpected problem with cracking.

FORBES: The Case Against SpaceX, Part II

We ran through the process a few more times, tweaking things along the way and running into new issues as we progressed -- like when the demo cube we were printing was knocked off the platform by the Stepstruder itself, or when the nozzle pressed down too hard on an object, which melted at the heat and stuck to the toolhead.

ENGADGET: MakerBot Replicator impressions: the dawning of 3D printers in every home?