Replace engine air cleaner element.
更换引擎空气清洁器组件。
Fit air cleaner housing cover and filter element.
安装空气滤清器壳罩和滤芯。
Theoretical calculation and discussion are presented on the dynamic characteristics of main frame of sugarcane cleaner using finite element method.
利用有限元分析的方法对甘蔗剥叶机机架的动态特性进行了理论计算和探讨。
Negative ion is called "longevity element", which is a natural cleaner of the air and vitamin in the air.
负离子被称为“长寿素”，是空气中的自然清洁白器或空气中的维他命。
Negative ion is called "longevity element", which is a natural cleaner of the air and vitamin in the air.
负离子被称为“长寿素”，是空气中的自然清洁白器或空气中的维他命。
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