insulated pipe line 绝缘管线
foam insulated pipe 泡沫保温管
buried insulated pipe 直埋保温管
single insulated pipe 单重保温管
polyurethane-insulated pipe 聚氨脂保温直埋管
direct buried insulated pipe 直埋保温管
twisting thermal insulated pipe 热缠绕保温管
insulated pipe center track gauge 中心用绝缘钢管制的轨距尺
以上来源于: WordNet
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