起点彩票

液壓式別墅電梯

Hydraulic type villa elevator

強制式驅動別墅電梯

Energy & power saving villa elevator

龍門架結構別墅電梯

Gantry frame structure villa elevator

鋼帶式別墅電梯

steel band style villa elevator

背包架結構別墅電梯

Backpack frame structure villa elevator construction sketch