常見例句雙語例句The sand inclusion glass fiber reinforced plastic pipe takes thermosetting resin as base body, take glass fibre and its products as reinforced material.玻璃鋼夾砂管道(以下簡(jiǎn)稱夾砂管)是玻璃纖維與合成樹脂及石英砂的復(fù)合體。A description was made about the method to distinguish two kinds of sand inclusions caused by different reasons and how prevent sand inclusion by improving sand quality control and foundry method.論述了鑄鐵件中兩種不同成因的砂眼的判別方法及如何從型砂品質(zhì)管理和工藝改進(jìn)來防止砂眼的措施。The reasons causing sand inclusion and slag inclusion are: ( 1 ) gaps between mould and core prints or cods too small;前言: 濕砂型鑄鐵件產(chǎn)生砂孔和渣孔缺陷的主要原因是:(1)芯頭或砂臺(tái)的間隙偏??; 返回 sand inclusion