求翻译：中石化：除实际用罐天数，还需要往前多算7天的费用；另外如果用罐天数不够一个月，则按一个月收费。例如：1月1日提罐，1月26日退还堆场，则按（7＋31）天计费。是什么意思？

Sinopec: In addition to the actual tank with the number of days needed to move to count the cost of seven days; cans days a month is not enough, according to a month fee. For example: January 1st to mention cans, January 26 returned to the yard, according to (7 +31) days of billing.

Sinopec: in addition to the actual days in tanks, but also to be more than 7 days before the costs; and if the tank is not enough days a month, the press of a month fee. For example: 1, 1, 1, Tank, 26 yard return, and the press (7 + 31) days.

正在翻译，请等待...

China: in addition to the actual tank days, also need to forward more costs to account for 7 days; if the tank enough days a month, the charge by the month. For example: January 1 tank, January 26, returned to the yard, press (7+31) days of billing.

正在翻译，请等待...