Connect the vacuum pump to the compound pressure gauge; open the compound pressure gauge and vacuum pump to vacuum the indoor unit and connecting pipe.
将真空泵连于复合压力表，打开复合压力表和真空泵对室内机和连接管抽真空。
Unscrew the nut from the service connection of suction line valve and connect the compound pressure gauge.
将真空泵连于复合压力表，打开复合压力表和真空泵对室内机和连接管抽真空。
In this paper, the application of high speed steel compound roll in splitting rolling of small gauge hot rolled ribbed bars at bar Plant of Shandong Shiheng Special steel Group co.
介绍了山东石横特钢集团有限公司棒材车间在小规格热轧带肋钢筋切分轧制中高速钢复合轧辊的应用情况，实践证明，高速钢轧辊可有效提高作业率及产品质量。
In this paper, the application of high speed steel compound roll in splitting rolling of small gauge hot rolled ribbed bars at bar Plant of Shandong Shiheng Special steel Group co.
介绍了山东石横特钢集团有限公司棒材车间在小规格热轧带肋钢筋切分轧制中高速钢复合轧辊的应用情况，实践证明，高速钢轧辊可有效提高作业率及产品质量。
应用推荐