发布时间:2025-01-30 21:50:08
一般沟槽连接有沟槽卡箍和沟槽法兰两种连接方式,如管道是镀锌钢管套第八册的沟槽连接是管道的安装费用,不包含卡箍(或法兰)的安装费,要在套沟槽卡箍(或沟槽法兰),你说的法兰阀门安装只要套法兰阀门项在定额里调整法兰的片数,法兰的安装费用已经在阀门安装费用里了,还有沟槽管件(沟槽四通、三通、机械四通等怎么套项我想请教大工解释一下)
冰箱耗电量千瓦时24小时033这怎么算一天多少度或者一个小时多少度
2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08 2025-01-30 21:50:08