它是闻名中外的冲锋枪，战士们最爱好的武器，文雅而简略的把9磅重锻钢与实木完美联合，它毫不会断裂、卡壳或过暖。
It's the world's most popular assault rife. A weapon all fighters love. An elegantly simple nine-pound amalgamation of forged steel and plywood. It doesn't break, jam, or overheat.
采用外观和金相方法，对止血钳和手术剪锻坯出现的型腔填充不满、裂纹、重皮和切边撕裂等缺陷进行分析。
Forging defects of mould cavity non-saturate, crack, pucker and shearing edge avulsion, etc. on the astrictive clamps and operating scissors are studied by means of appearance and metallography.
研究了不同工艺参数的半连续铸造工艺对铸锭组织及可锻性的影响，并将常用于改善铸钢组织性能的电渣重熔工艺引入B30铜合金铸造。
The effects of semicontinuous casting process with different technological parameters on the ingot microstructure and forgeability of B30 alloy were studied.
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