“双心”的英语可以翻译为：[医]cardiac fissure，diplocardia ...

“双心体”的英语可以翻译为：[医] diplosome，paired allosome ...

“双心的”的英语可以翻译为：icentric，diplocardiac ...

加深井钻进,用双心钻头可增大环空间隙,提高固井质量.Higher core recoveryassisted in coring operations when this kind of bit is used for hole enlargement....