Architectural innovations continue to the downpipes and gutters.
建筑改进了落水管和排水沟。
Installs, maintains and repairs flashings, metallic roof and wall claddings and rainwater products such as gutters and downpipes.
屋顶水暖工安装，维护和修理防水板、金属屋顶、墙面表层和防水产品，如水槽和落水管。
Installs, maintains and repairs flashings, metallic roof and wall claddings and rainwater products such as gutters and downpipes.
屋顶水暖工安装，维护和修理防水板、金属屋顶、墙面表层和防水产品，如水槽和落水管。
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