根据国家机械工业局国机管 [2 0 0 0 ]439号文件 ,由机械工业气体分离与液化设备标委会技术归口修订、上报审批的《低温液体运输车》等 4项标准报批稿 ,经国家机械工业局审查 ,批准、发布为机械行业标准。标准编号、名称、性质及实施日期如下 :1.ＪＢ/Ｔ 6 897— 2 0 0 0　低温 According to the State Administration of Machinery Industry National Machinery [2000] No. 439 document, by the Machinery Industry Gas Separation and liquefaction equipment Standardization Technical Committee revisions, submitted to the approval of the “cryogenic liquid transporter” and other four draft standard for approval, the State Bureau of Machinery Industry review, approval, release for the machinery industry standards. The standard number, name, nature and implementation date are as follows: 1.JB / T 6 897- 2 0 0 0 Low temperature