materials lock气压变化过渡区
materialsn.原料;素材名词material的复数形式.
Materials and Mechanics Research Center器材与力学研究中心
materials mechanics teaching experiment材料力学教学实验
materials for steel-pouring ingot mold钢锭模材料
materials characteristics and application材料特性和应用
Materials for Optical Harmonic Generation楔形定型模板
Materials Control and Verification Program物资控制与核查计划
materials science and engineering specialty材料科学与工程专业
materials placed under unified distribution统配物资