棕榈仁壳粉；
During the production of shell bodies, surface defects were found by magnetic powder inspection.
炮弹弹体生产中，磁粉检测发现表层缺陷。
Aluminum shell with environmentally resistant powder coat paint resist corrosion and provide impact resistance.
铝质外壳，粉体烤漆，耐腐蚀、抗冲击；
Aluminum shell with environmentally resistant powder coat paint resist corrosion and provide impact resistance.
铝质外壳，粉体烤漆，耐腐蚀、抗冲击；
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