求翻译：合同签订后预付合同总额30%，设备到甲方现场付至合同总额的60%，验收合格付至合同总额的90%，余款1年内付清。是什么意思？

After signing the contract 30% of the total prepaid contracts, equipment to the site pay to Party A for 60% of the total contract, acceptance to pay 90% of the total contract, the balance paid within one year.

Post-contract prepaid contracts, 30 per cent of total equipment to Party A scene of total contract amount to 60% of the total contract amount to acceptance and the remaining 90 per cent paid within 1 years.

After the contract sign pays in advance the contract total amount 30%, pays the equipment to the party of the first part scene to the contract total amount 60%, the approval pays qualified to the contract total amount 90%, in the spare money 1 year pays in full.

30% the total prepaid contract after the contract signing, equipment to party a pay site to 60% of the total contract, check 90% of the total paid to contract and the balance paid within 1 year.

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