单词	biotite melilitite
释义	biotite melilitite 黑云黄长岩
随便看	mild steel fire box mild steel flat bar mild steel hexagonal bolt mild steel hexagonal bolt and nut mild steel hexagonal bolts mild steel hexagonal bolts and nuts mild steel hexagonal nut mild steel hexagonal socket screw mild steel I-beam mild steel ingot mild steel joist mild steel link chain mild steel machine screw mild steel oval bar mild steel plate mild steel plate cutting mild steel polished shaft mild steel reinforcement mild steel round bar mild steel round head machine screw mild steels mild steel safeguard chain mild steel screwhook mild steel shank mild steel sheet