石棉绳、线、带、橡胶石棉asbestos rope, thread,strip,rubber asbestos 石棉粉asbestos powder 玻璃纤维保温板和管fiberglass heat preservation board and pipe ..
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asbestos s powder 石棉粉
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It is also known to use a heat-resistant mineral material, for example, asbestos in the form of cord or sheet to support the weld pool and the powder covering in the case of a submerged arc.
它也被称为使用耐热性矿物材料,例如,石棉的形式,脊髓或资产负债表,以支持熔池和粉末覆盖的情况下,埋弧焊。
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