Technical properties of capillary tubes for glass thermometers are given and a special recuperative tank furnace for vertically drawing these tubes is described.
本文介绍了温度计玻璃管的技术特点，以及垂直拉制这种玻璃管的小型换热式池炉。
Technical properties of capillary tubes for glass thermometers are given and a special recuperative tank furnace for vertically drawing these tubes is described.
本文介绍了温度计玻璃管的技术特点，以及垂直拉制这种玻璃管的小型换热式池炉。
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