1、Secondly, I probe into the theory of the letter of guarantee and its practical usage.
本文第二部分則對(duì)海運(yùn)保函的理論及在海運(yùn)實(shí)踐中運(yùn)用進(jìn)行了一些探討。

2、Are the guests asked me to write a letter of guarantee to him.
現(xiàn)客人要求我寫一個(gè)保證函給他。

3、The letter of guarantee in the contract before the expiry of the warranty in full force and effect.
本保證函在本合同規(guī)定的質(zhì)保期滿前完全有效。

letter of guarantee翻譯