The giant panda An An is in ill condition, and Hong Kong citizens are choked with worry. They issued a special letter calling on them to "gather their strength"
Handling of Quality Problems and Quality Accidents in the First-Class Construction Engineer Management Gold Examination Point, Notes of the First-Class Construction Master
The first-level construction engineer's electromechanical gold test point pipeline factory prefabrication technology, the notes of the first-level construction master