The buyer should guarantee the discharging rate of 12,000mt pwwd SHINC with 12 hours T/Time upon tendering N.O.R. Demurrage/Despatch at USD12,000 pdpr/HD.

• 买方需保证卸货率为每十二小时12,000公吨否则要交纳滞期费12,000美元这样翻译可以吗??还有谁能告诉我那些缩写是什么意思呢?