定期给机器的运动机件上油。
一般来讲，气动系统运动机件较少，因而可靠性高，维护成本低。
In general, pneumatic systems have relatively few moving parts, contributing to high reliability and low maintenance costs.
一般来讲，气动系统运动机件较少，因而可靠性高，维护成本低。
In general, pneumatic systems have relatively few moving parts, contributing to high reliability and low maintenance costs.
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