求助信用证写的是：3/3 ORIGINAL PLUS three NO-NEGOTIABLE COPY SHIPPED

求助信用证写的是：3/3 ORIGINAL PLUS three NO-NEGOTIABLE COPY SHIPPED ON BOARD BILLS OF LADING
求助信用证写的是(请高人指定下是什么意思)：3/3 ORIGINAL PLUS three NO-NEGOTIABLE COPY SHIPPED ON BOARD BILLS OF LADING ISSUED TO ORDER OF THE NEGOTIATING BANK AND FURTHER ENDORSED BY THEM TO THE ORDER OF ISSUING BANK MARKED FREIGHT COLLECT
(RECEIVED BILLS OF LADING UNACCEPTABLE)