The principle and equipment of sorbitizing isothermal heat treatment without lead are introduced.
指出钢丝铅浴化热理存在的问题,介绍无铅化等温热理的原理和设备。
The principle and equipment of sorbitizing isothermal heat treatment without lead are introduced.
指出钢丝铅浴化热理存在的问题,介绍无铅化等温热理的原理和设备。
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