... 杆套 stem casing 感生环境 induced environment 感应保温炉 induction holding furnace ...
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在外部低杆的上端连接到一个上杆套。
The upper end of the outer lower rod is connected to an upper rod sleeve.
在调节块外周有一个调节杆套与之接触。
The periphery of the regulating block is provided with a regulating rod sleeve which contacts the regulating block.
在上杆的内下端连接到一个较低的杆套。
The lower end of the inner upper rod is connected to a lower rod sleeve.
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