本机为钉铆各种规格四合扣的理想设备，取代手工钉铆的繁重劳动；
Machine this for nail and rivet various kinds of specification four ideal equipment that buckle jointly, replace and nail strenuous work that rivet by hand;
他休息了一会儿，然后铆足了劲儿，发出一连串绝佳的呻吟声。
He took a rest and then swelled himself up and fetched a succession of admirable groans.
通过理化检测，对铆螺钢在冷镦时出现开裂的原因进行了分析。
These inclusions resulted in cracking of the cold forging steel during the cold heading process.
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