After mold opening, this pin will function as an ejector pin and ejects the sprue from a sprue bush. Also it releases gas contained in molten plastic.是什么意思_After mold opening, this pin will function as an ejector pin and ejects the sprue from a sprue bush. Also it releases gas contained in molten plastic.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句