材料类 meaning in Chinese

materials

The equations of equilibrium and kinematic relations are independent of the type of material .
平衡方程和运动学关系式是与材料类无关的。
It ' s used in coal mine underground for transport of coal and chemical material
用途：煤矿井下及其它易燃炀合输送煤炭、化工材料类物料。
College graduate or above . mechanical , manufacturing , material or related major ； good communication skill , cet4 or above , familiar with cad , pre or other drawing software will be priority
岗位要求：大专及以上学历，机械/模具设计与制造、材料类等相关专业；具有良好的沟通协调能力，英语四级以上，会熟练使用cad 、 pre等绘图软件者优先。
Raw and auxiliary materials : iron powder , copper powder , tungsten powder , tungsten - carbide powder , stainless ( high - speed ) steel powder , magnetic material , ceramic material , nanophase material and other metal powders and alloy powders
原辅材料类：铁粉、铜粉、钨粉、碳化钨粉、不锈（高速）钢粉、磁性材料、陶瓷材料和钠米材料及其它元素金属粉末及合金牌号的粉末等。