不要光有易坏和不实用的东西，虽然在某一时刻某一场所也需要它们。
Not just things that are flimsy and unpractical, though they have their place and time as well.
防止了减速机输出轴支座易坏及更换尼龙套较为频繁的弊端。
To prevent the reducer output shaft bearing perishable and more frequent replacement of the drawbacks of nylon sleeve.
至于易欺，那是比受贿还坏的。
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