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← HistoryWhich effect increased the scaling production of Song Dynasty crossbow trigger mechanisms when using cast iron?
A)Reduced component dimensional variation✓
B)Increased trigger tensile strength
C)Enhanced corrosion resistance offshore
D)Simplified heat treatment schedules
💡 Explanation
The improved Reduced component dimensional variation due to standardized molds increased the interchangeability of parts using investment casting; an advantage that allowed complex crossbow triggers to be mass-produced efficiently, therefore leading to higher overall production yield, rather than relying on skilled manual fitting.
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