输液吊杆上的升降器配有四支可折叠式的输液挂钩，吊杆下部配有一个固定式挂钩。
The lifter on the transfusion suspender is equipped with four folding transfusion hooks and on the bottom of it there is a fixed hook.
手按式升降器，可单手随意调节高度。
Hand-pressing lifter: with it the height can be randomly adjusted with single hand.
手按式升降器，可单手随意调节高度。
Hand-pressing lifter: with it the height can be randomly adjusted with single hand.
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