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- Fault diagnosis, here are the most common introduces several methods of maintenance and repair, leakage crack maintenance and alternator coil disassembled, it is used in the repair process often. 故障诊断出来后，这里还介绍几种最为常见的的维修方法，裂纹的维修，漏油的维修，还有交流发电机线圈的拆卸，这都在维修过程中时常用到。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- The machinery requires constant maintenance. 这些机器需要经常保养维修。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- You'll crack up if you go on working so hard. 你继续这样拚命干下去，身体会吃不消的。
- Maintenance of PC is in my element. 我对电脑的维修保养很在行。
- Have another crack at solving this puzzle. 再试一试把这个难题解决了吧。
- She made a crack about his fatness. 她取笑他肥胖。
- He's taking classes in car maintenance. 他正在上汽车维修课。
- There is a crack in this window. 这扇窗户上有个裂纹。
- She got up at the crack of dawn. 天刚亮她便起床了。
- Mary found knitting a hard nut to crack. 玛丽发现编织并非易事。
- He was the tough guy, the big shot, who gave orders with the crack of a whip. 他是个威风凛凛发号施令的强悍的家伙，是个大人物。
- Who is responsible for the building's maintenance? 谁负责这座大楼的保养事宜?
- 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？
- I'd do anything to see you crack a smile. 为了博得你的一笑，我情愿做任何事。
- 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。
- Her foot wedged in the narrow crack. 她的脚卡在那狭缝里了。
- Close examination revealed a crack in the vase. 花瓶经仔细检查发现有裂缝。
