surface blowhole

常見例句

After summarizing some tests having been done by others, it is found that MgO plays an important role in forming surface blowhole in ductile cast iron.
對影響球墨鑄鐵件皮下氣孔的各種因素分析表明，鐵液中氣體的產(chǎn)生有其必然性，通過減少氣體的發(fā)生量以防止皮下氣孔的方法并不是都能奏效。
Discussing various influence factors of ductile iron's surface blowhole defects indicates that bringing various gases in the molten metal or on the interface with the sand mould is inevitable.
對影響球墨鑄鐵件皮下氣孔的各種因素分析表明，鐵液中氣體的產(chǎn)生有其必然性，通過減少氣體的發(fā)生量以防止皮下氣孔的方法并不是都能奏效。