通过工艺试制，优化设计后的热收口模具明显提高了使用寿命。
The life of die after optimization is obviously increased by process test.
热痕严重影响涡轮叶片热负荷及寿命。
The hot streak has significant influence on the heat load and life of turbine blades.
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.
所以，经热镀之后的钢材，大大地延长了使用寿命。
避免安装在热源处及热蒸汽，腐蚀性气体的场所，以免影响寿命。
To avoid using nearby the hot or heat source place, where has the corrosive gas.
避免安装在热源处及热蒸汽，腐蚀性气体的场所，以免影响寿命。
To avoid using nearby the hot or heat source place, where has the corrosive gas.
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