With increase of the service life, the carrying ability of the bridge degenerates gradually.
桥梁随着使用年数的增加，其性能逐渐退化。
Thermal load increase has influence on service life of supercharged engines.
增压发动机热负荷的增加会影响发动机的使用寿命。
Thermal load increase has influence on service life of supercharged engines.
增压发动机热负荷的增加会影响发动机的使用寿命。
应用推荐