新加坡六合彩开奖直播

 

Tower Arm/Bridge


An axially suspended rotating bridge spans the full width of the tank. This bridge can be raised or lowered between 0 and 2.5 m above the tank. The bridge can also be rotated in either direction, at speeds between approximately 8 cm/sec and 96 cm/sec (0.288 to 3.46 km/h).