No noise, no wear and tear and operational reliability, ease of maintenance.
无噪音、无磨损、运行可靠、维护方便。
This simple concept has great benefits from both an operational and maintenance perspective.
这种简单的观念对运营与养护都有极大的好处。
This simple concept has great benefits from both an operational and maintenance perspective.
这种简单的观念对运营与养护都有极大的好处。
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