... flamboyant structure 火焰构造 flame assay 火焰试验 flame coal 焰煤 ...
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The above products have all been approved the certificates of production licence, flame-proof certification, safe mare licence and scientific and technologic new product assay certification and so on.
以上产品均取得生产许可证、防爆合格证、安全标志准用证、科学技术新产品鉴定证书等。
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