reference line〔名词〕参考线,基准线,零位线详细»
reference line基准线，参考线详细»
reference line〔名词〕参考线详细»
reference line〔名词〕基准线详细»
reference line〔名词〕参考线,基准线,零位线详细»
reference line〔名词〕参考线详细»
reference line参考线,基准线详细»
零位线naught line;roll parting line;zero line详细»
零位线reference line;zero line;zl详细»
零位线baseline;basic line;zero line详细»