Aluminum alloy is used to cast the shell for its beauty and durableness. Tricolor energy-saving lamps and transparent lampshades are used for enjoyable appearance and good practicality.
外型设计采用铝合金压铸的传统灯具造形；美观大方、经久耐用；选用三基色节能灯泡配以透明灯罩，极具观赏价值和实用价值。
Polymer coated ceramic powder can be used to manufacture mold shell with selective laser sintering technology, and the mold shell is usually used to cast and produce metal part.
利用激光烧结快速成型技术可以烧结覆膜陶瓷材料，形成铸造用型腔壳体并直接应用于铸造，制作金属零件。
Experiment results shown that the main factor of the breakage reason of the cast-iron cylindrical shell with same diameter and thickness is that transform is not moderate.
实验结果表明：相同径厚比的铸铁圆柱壳的破坏机理主要因素为变形不协调。
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