2021-05-26
Some of the 18inch cutter suction dredgers are driven by four stroke internal combustion engines with a small amount of extra power for high speed operation. However, it is not allowed to operate continuously at high speed for a long time, and it is determined according to the elevation and working depth under water.
When you are gold mining in the ore belt and suddenly find a lot of gold, give the sand pump a few minutes of clear water, remove the light materials from the strip, and then draw the gold. Most experienced gold miners are entering the gold rich ore belt to suck gold a little faster than the normal rate of other physical sciences.