Rede de palavras: 管道
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Palavras relacionadas (3)
基础设施
The basic physical and organizational structures and facilities (e.g., buildings, roads, power supplies) needed for the operation of a society or enterprise.
B1维修
To maintain and repair equipment, buildings, or machinery to keep them in good condition.
B1铺设
to lay, to spread; to set up or install something flat.
A2
