这四只牛是实物小缩影，或者说是小模型，一次性手工造模成型，材料是一小块尼罗河粘土。
These cows are miniatures - small models, hand-moulded out of a single lump of Nile river clay.
容量最大的造模法，通过高压的作用材料从外部加热室通过铸口、流道或浇口进入闭式压膜室。
The highest volume molding method, in which the material is forced from an external heated chamber through a sprue, runner or gate into a cavity of a closed mold by means of high pressure.
本文利用人造模拟截割材料，在液压刨床和专用截割实验台上完成了单齿和滚筒截割系统的模化实验。
The paper presents the model experiments of one-pick and drum cutting systems on a hydraulic planner and a special cutting test rig with the artificial analogous cutting materials.
介绍近年国外聚氨酯铸造模具材料性能，制成模具后的力学性能、耐磨性的情况以及制造聚氨酯模具的工艺方法。
The foundry mould made by polyurethane abroad from aspects of mechanical property, wear-resistant condition, and technology method have been introduced.
用纳米构造模块自组装、分子对位与交联建构出大生物材料纤维的重要性。
The importance of self-assembly, molecular alignment, and cross-linking in the construction of macroscale biological material filaments from nano-scale building blocks.
焊补冲压模锻造模工具钢等淬火硬化后模具材料的修补。
Progressive metal stamping mould forging weld-repair after quench hardened steel mold materials etc.
为着提供成本合理和具有令人满意的寿命的模具，必须用合适的模具材料和用现代的制造方法来制造模具。
The dies must be made by modern manufacturing methods from appropriate die materials in order to provide acceptable die life at a reasonable cost.
用聚氨酯材料制造的铸造模具，使用寿命可达8万次，与铝合金模具相当。
The Foundry mould made by polyurethane can serce for 80,000 times, it is similar with the mould made by aluminum alloy.
用聚氨酯材料制造的铸造模具，使用寿命可达8万次，与铝合金模具相当。
The Foundry mould made by polyurethane can serce for 80,000 times, it is similar with the mould made by aluminum alloy.
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