Is there a direct lead from the bow stopper to the winch drum (not the warping end)?
艏制链器到绞链盘滚筒(不是绞缆滚筒)之间是否有一个直接引导器？
The paper describes the features of bath smelting of lead sulfide concentrate and structural characteristics of the oxygen side-blown direct lead smelting furnace.
论述了硫化铅精矿熔池熔炼的特点以及氧气侧吹直接炼铅炉的结构特征。
The paper describes the features of bath smelting of lead sulfide concentrate and structural characteristics of the oxygen side-blown direct lead smelting furnace.
论述了硫化铅精矿熔池熔炼的特点以及氧气侧吹直接炼铅炉的结构特征。
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