China Shipyard Crane Suppliers and Manufacturers ...
2021-10-14u2002·u2002Working Environment of Floating Dock Portal Crane 1. 3 phase A.C. 50HZ 380V 2. The temperature of the working environments is -20 ~ +45 degrees and.the Max relative humidity shall be less than 95%( with condensation); 3. Wind speed shall be less than 20m/s; 4. Working leave:...
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