Some pieces of equipment require great physical strength.
有些器械,需要很强的体力。
Most connections to equipment require correct polarity to be maintained and due attention must be given to ensure this.
大多数设备联接都需要正确的极性,这一点应该特别注意。
From the relationship between design, manufacturing and using, the article points out that the replcement parts of cement mechanical equipment require standardization.
从设计、制造、使用多者的关系出发提出备件急需实施标准化。
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