Central gating for this type of impression can, however, lead to complications in multi-impression moulds as either an underfeed mould(Chapter 12) or a hot runner mould (Chapter 13) will be required.是什么意思_Central gating for this type of impression can, however, lead to complications in multi-impression moulds as either an underfeed mould(Chapter 12) or a hot runner mould (Chapter 13) will be required.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句