建筑工地,混凝土从混合器中倒出,创建基础. 后面的工人正在指导过程

相關標籤:

• concrete mixer
• cement
• construction
• labor
• safety
• construction worker
• gift
• construction safety
• present
• concrete
• kind
• care
• supporter
• construction project
• relief
• worker
• foundation
• structure
• 12+