pressure cast iron pipe 中文意思是什麼
pressure cast iron pipe
解釋
承壓鑄鐵管-
Cast - iron pressure pipe centrifugally cast in sand - lined molds
砂型離心鑄鐵管 -
Cast iron special castings for asbestos cement pressure pipe lines ; bends
石棉水泥壓力管道用鑄鐵的專用鑄件.彎管頭
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