The nozzle is inserted into an outer sleeve and can be retracted into the outer sleeve, and the outer sleeve is provided with a handle.
喷管插在一个外套管上并可在外套管中伸缩，外套管上设置有把手。
The nozzle is inserted into an outer sleeve and can be retracted into the outer sleeve, and the outer sleeve is provided with a handle.
喷管插在一个外套管上并可在外套管中伸缩，外套管上设置有把手。
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