needled steel 中文意思是什麼
needled steel
解釋
加硼易淬硬鋼-
Productions of needled felt filter materials are sold to various industries including steel, metal, cement, asphalt - stirring, chemical, electrical and dust - burning and exported to japan, korea, taiwan, south - east asia and other countries and areas with the annual sales volume adding up to 2. 4 million sq. m
年銷240萬平方米的各種無紡針刺氈濾料，產品涉及鋼鐵、冶金、水泥、瀝青攪拌、化工、電力、垃圾焚燒等多個行業，遠銷日本、韓國、東南亞等國家和地區。
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