该框架采用方型空心铁管，两侧竖向、横向套管均可伸缩调节高度、宽度。
The frame applies the square and hollow iron pipe so that the height and width of the vertical bushing and transverse bushing at the two sides can be telescopically adjusted.
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。
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.
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