large complicated structure
large complicated weapon system
Large Size Access Openings
Large Size Blast Furnace
Large size carbon electrode
large size extruding bar
Large size medical facility
large size pressure tank filled with water
large size production base
Large size pumping station
Large Size Stadium and Gymnasium
Large size structural part
Medium-and large size gas fields
size large blast furnace
special main electrical schemeOnsite repair of rolling ring of large size rotary bowl dryer