The bicycle is easy to maintain because of its simple mechanical structure.
这款自行车因为构造简单所以容易保养。
These machines have few breakdowns and easy to maintain because of their simple mechanical structure.
此机构设备结构简单，因此故障少，便于维护。
These machines have few breakdowns and easy to maintain because of their simple mechanical structure.
40岁。这款机器很少会故障，即使有也便于维修，因为它们机械结构构造简单。
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