张珺的回答：

Because only the first leg vessel needs to show on the BL.Please confirm the BL draft and get back to me ASAP if there are no other problems.

贾强的回答：

Because only the first leg vessel needs to show on the BL.Please confirm the BL draft and get back to me ASAP if there are no other problems.

淡定，情绪的回答：

比如从天津出货到欧洲的汉堡，船从天津到香港，然后货物卸船，转装到香港到汉堡的船上。那么从天津到香港的船就是头程船。