- 相关词组
- imports of good and material services货物和物质性服务的进口
- porous powder metallurgy material多孔粉冶材料
- acoustical material音响材料，吸音材料;
- hysteresis constant of magnetic material磁性材料磁滞常数
- incendiary material燃烧材料;纵火材料
- infrared optical material红外光学材料
- backing material衬底材料;
- in-process raw material加工用原材料
- mixed material混合材料
- structural material结构材料
- roofing material屋面材料;
- sweat-out material发汗材料
- hologram recording material全息记录材料;全息照相记录材料
- binding material黏结材料，胶结物质;
- teaching material[体]教材;
- wood material木质材料;
- composting material堆肥材料;
- misplaced material错配物
- monolayer material单层材料
- protective material防护材料;保护剂
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