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main.ten.ance5meIn7tI7nEntsn [U]维护，保养Old houses need a lot of maintenance.旧屋需悉心保养。There are thorough maintenance checks on each plane before take-off.每架飞机起飞前都经过了彻底的维修检查。The magazine offers tips on cutting your house maintenance costs.该杂志就降低房屋保养费用提出了建议。[MAINTAIN , MAINTAIN 中的maintanence]
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