ultrapowerful nd-fe-b permanent magnetic alloy
...Neodymium Yttrium Aluminum Garnet)掺钕钇铝榴石(激光器) ultrapowerful Nd-Fe-B permanent magnetic alloy超强钕铁硼永磁合金 I was ashamed to admit it, but mingled with my terror nd grief我很羞愧地承认这一点，同时感到恐惧和悲伤。 .
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