您要查找的是不是：
- software maintenance improvement 软件维护改进
- The machinery requires constant maintenance. 这些机器需要经常保养维修。
- Maintenance of PC is in my element. 我对电脑的维修保养很在行。
- He's taking classes in car maintenance. 他正在上汽车维修课。
- There is need for improvement in your handwriting. 你的书法需要改进。
- There's been an overall improvement recently. 近来各方面都有所改进。
- We all hope for an improvement in the weather. 我们都希望天气好转。
- Who is responsible for the building's maintenance? 谁负责这座大楼的保养事宜?
- His health is showing signs of improvement. 他的健康状况显出好转的迹象。
- Has he enrolled in the car maintenance class this year? 他今年报名参加汽车维修班的学习了吗？
- The changes are an improvement in one way. 这些变从某种意义上说是一种进步。
- The petitioner ask for a variation in her maintenance order. 上诉人要求对她生活费的命令的条件进行变更。
- The equipment improvement was on the march. 设备改进工作正在进行中。
- A lot of the cost of maintenance go into renew brake. 很多的维修费用都花在了更换煞车方面。
- There is still room for improvement. 还有改进的余地。
- Housing improvement was the speaker's text. 改善住房是那位演讲人的题目。
- Painting the room yellow is a great improvement. 把这房间漆成黄色确实好多了。
- This town shows improvement in many directions. 该镇在许多方面都有改进。
- He had to work hard for the maintenance of his family. 他为了养家不得不去拼命工作。
- Our position is capable of improvement. 我们的地位可以改善。
