Single cylinder with imported balance valve for front support elevation hoist down by gravity low energy consumption.

单缸前支前幅，重力下降，能耗低，进口平衡阀。

youdao

Single cylinder with imported balance valve for front support elevation hoist down by gravity low energy consumption.

单缸前支前幅，重力下降，能耗低，进口平衡阀。

youdao