Lifting mechanism in tower crane: M5. Luffing mechanism: what does "M4" mean? Seek expert answers
It is the work level of the organization, representing the working hours and load sizes of the institution. See GBT/13752 or GBT/3811 for specific explanations.
Lifting mechanism in tower crane: M5. Luffing mechanism: M4 is the working system
Agency level lifting mechanism: M5 luffing mechanism: the maximum working range of M4 working range: 56m minimum generation writers instead of me...... Thanks...... 6T tower crane CAD diagram
