图示的可调节支撑架并不是相对于消防栓的实际位置。
Adjustable support leg not shown in actual position relative to hydrant.
本冷却水槽中高度调节支撑架装置的结构设计具有参考价值。
The reference value of structural design of height adjustment supporting device of the cooling water tank is pointed out.
这种单扛能过调节支撑高度，使个子矮小的同学也可以使用。
The horizontal bar can be used for short and small students through adjusting the supporting height.
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