On the other hand, improving the serving environments，such as optimizing the furnace’s structure, regulating manhandle, etc. increase of service life.

另一方面，善使用环境，如通过炉型进优化，规范人为操作等措施，以提高其使用寿命。

Frost was not only a metrist but a poet who gloriously manhandled meter, making it stress fine shadings of speech and thought.

弗洛斯特不仅是一个格律诗人，他还有力推动了格律的发展，使格律强调话语和思想的精妙背景。