求翻译：付款条件：保兑的、不可撤销的、可转让的、可分割的信用证。准许转船和分批装运，允许价值和数量有5%的上下幅度，见票即付，且于装船后15天内在中国议付有效。是什么意思？

Payment terms: Confirmed, irrevocable, transferable, divisible letter of credit. Transshipment and partial shipments allowed, the value and quantity to allow the upper and lower 5% rate, payable on demand, and in the shipment within 15 days after the effective negotiation in China.

Payment terms: confirmer, irrevocable, transferable, divisibility of letters of credit. Permission to allow the boat and Separate shipments value and number of the 5% upper and lower ranges, sight, and the ship within 15 days after the payment in China effective.

Payment condition: Guarantees cashing letter of credit which, cannot be abolished rotatable, lets, be possible to divide.The approval transshipment and ships in turn, the permission value and quantity have 5% about scope, payable at sight, also in loads a ship the latter 15 day intrinsic Chinese neg

Payment terms: a confirmed, irrevocable, transferable, divisible letter of credit. Transshipment and partial shipment permitted, allowing 5% of the value and quantity tolerance range, at sight, and within 15 days after the shipment in the Chinese negotiating effectively.

Payment terms: Confirmed, irrevocable, transferable, divisible letter of credit. Transshipment and partial shipments allowed, the value and quantity to allow the upper and lower 5% rate, payable on demand, and in the shipment within 15 days after the effective negotiation in China.