The costs are very low if only basic standardization rules need to be applied.
如果只需要应用基本标准化规则，成本将非常低。
Basic requirements of the base and low, and less day-to-day maintenance work, maintenance costs low.
对底座和基础要求低，且日常维修工作量少，维修费用低。
Basic requirements of the base and low, and less day-to-day maintenance work, maintenance costs low.
对底座和基础要求低，且日常维修工作量少，维修费用低。
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