Unverified85% confidenceDecision RuleTime unknown
判断手工拉坯：底足有旋纹或轻微不对称，器壁厚薄不完全均匀；机制注浆件器壁均匀、可见合模线（两侧对称接缝）。合模线明显且规整通常为注浆量产
1
Sources
85%
Confidence
Long-term
Relevance
-
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