即使你已找到方法来减少汽车使用，但日常维护费用仍可积少成多。
Even if you've found a way to decrease your car use, routine maintenance costs can still add up.
聚氨酯护舷作为一种新型的防冲设备，它合理的选型、布置和安装能够有效的避免过往船舶和闸室岸壁的碰撞损伤，降低船闸的日常维护费用。
The polyurethane fender is a kind of new types of current fender, which can availably avoid the collision between ship and chamber with reason - able type selection, disposition and installation.
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