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- Integral spindle coolant system decreases the high temperature and ensures running accuracy after long time working. 采用内藏式主轴油冷却系统,有效降低头部温升,确保长时间加工的运转精度。
- DC low voltage control circuit is adopted that it is more suitable for the long time work under the unsteady power. 采用直流低压控制回路，更适于电压不稳连续长时间工作，安全性高。
- The purposes of a short time rest or a long time vacation are to make you relieve from pressure in a long time work. 无论是短暂的休息，或是安排较长的时间度假，无非就是要人从工作压力或心理困扰中解脱出来。
- Constant voltage and current, antioxidize case:Insure flux quality accordantly in condition of instable power and air pressure;Soldering paste density without change after long time work. 恒压恒流，防氧化箱：在电源气压不稳定的情况下确保喷雾量一致；助焊剂在长时间的使用保持浓度无变化。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- It takes a long time to work up to mentioning more pay. 好长时间，他才提到想增加报酬。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- It took him long time to smooth away perplexities. 他花了好长时间才消除了困惑。
- My explanation took a long time to sink in. 我的解释很久才被人理解。
- That cut is taking a long time to heal. 那伤口要很长时间才能愈合。
- He foresaw that the job would take a long time. 他预见到做这件工作需要很长时间。
- They've been dating for a long time. 他们一直频频约会。
- I haven't set eyes on her for a long time. 从那以后，我再也没见过她。
- He spends most of his time working. 他把大部份时间都花在工作上。
- It took a long time for him to repair his health. 他过了好长时间才恢复健康。
- For a long time his fate hung in the balance. 他的命运很久未能确定。
- The excavation of the buried city took a long time. 发掘埋在地下的城市花了很长时间。
- I haven't met her in a long time. 我好长时间没有遇见她了。
- The lake was ponded by lavas a long time ago. 这条湖是很久以前熔岩堵塞河道形成的。
- She has been ailing for a long time. 她已病了好久了。
