“分批付款,分批出货”英文怎么说呀?

问题描述:

“分批付款,分批出货”英文怎么说呀?
首付30%订金,余额在出货前验货OK后付款提货?
首付30%订金,余额在出货前验货OK后付款提货
可否这样说:30%deposit paid after the P/O approval (signature the inovice )and rest of 70% balance pays before delivery with full inspection.
而分批出货分批付款是否可以这样说:
sending the goods group by group .and payments must be pays one by one .

分期付款就是 installment 分批出货就是 partial shipment
首付30%订金,余额在出货前验货OK后付款提货?
假如是T/T订金的话就可以说, T/T 30% for the deposit, the balance will be paid with checking ok before delivery.