Clearance gauges at bridges indicate ().
A、the height of the tide
B、depth of water under the bridge
C、charted vertical clearance at mean low water
D、distance from the water to low steel of the bridge
A、the height of the tide
B、depth of water under the bridge
C、charted vertical clearance at mean low water
D、distance from the water to low steel of the bridge
A、clearance;calipers B、sinking;bridge gauge C、diameter;bridge gauge D、clearance;lead wire
A、the pump discharge B、the manifold connection C、each fire station discharge D、the pump station
A、the pump discharge B、the manifold connection C、each fire station discharge D、the pump station
A、the pump discharge B、the manifold connection C、each fire station discharge D、the pump station