基本解釋參考點(diǎn)，示位標(biāo)英漢例句雙語例句After degating only a small witness mark remains.澆口切除后只留下細(xì)小痕跡。The main disadvantage of the design is that a large witness mark is left on the moulding which must subsequently be trimmed and finished.這種設(shè)計(jì)的主要缺點(diǎn)是在塑件上留下一個(gè)可見的痕跡，從而必須增加一道后續(xù)的修剪和拋光的工序。http://www.chazidian.comwitness mark更多例句專業(yè)釋義測(cè)繪科學(xué)技術(shù)示位標(biāo)參考點(diǎn)示位點(diǎn)參考標(biāo)石能源科學(xué)技術(shù)測(cè)量中的參考點(diǎn)