How to clean appear very important.
如何清洗就显得十分重要了。
Therefore, the attacking tactics of free kick in the opposing half and corner kick appear very important.
以创造、利用空间为核心的前场任意球、角球进攻战术显得至关重要。
On the spot, the vibration level of slag-wool centrifuge is high, and its components damages often occur. Therefore, its vibration control and fault monitoring and diagnosis appear very important.
矿棉离心机转子系统的振动量级高，支承部位易于破坏，其振动控制和故障监测诊断显得特别重要。
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