As a special commodity, its production, and sale (distribution) show their features.
住房作为特殊商品，其生产、销售(分配)、使用都具有其特殊性。
Power distribution system is directly user-oriented features, and one important part of power systems.
配电是电力系统直接面向用户的功能，是电力系统的重要组成部分。
Power distribution system is directly user-oriented features, and one important part of power systems.
配电是电力系统直接面向用户的功能，是电力系统的重要组成部分。
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