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预应力钢筒混凝土管
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预应力钢筒混凝土管
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输水管道
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prestressed concrete cylinder pipe
预应力钢筒混凝土管
在带钢筒的混凝土管芯上缠绕环向预应力高强钢丝,并喷涂水泥砂浆保护层而制成的新型复合管道结构。简称PCCP。
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household travel survey using cellphone data
household type ratio
household under administration of Buddhist authorities
household under the Buddhist Affairs Administration
household wastes
household with a female head
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house-keeping gene
housekeeping gene
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House Made of Dawn
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house of blood
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