Our classroom should be kept clean and tidy.
我们的教室必须保持干净清洁。
Food service areas should be kept clean and hygienic.
饮食服务区须保持清洁，符合卫生要求。
Floors should be kept clean from spills and materials.
地面应经常保持清洁，没有散布溢出物和物料。
All work surfaces should be kept clean during all stages of the canning process.
所有的工作表面应保持清洁所有阶段的罐头进程。
Article desk should be kept clean and tidy and pay attention to the quiet office.
第四条办公桌上应保持整洁并注意办公室的安静。
Hot desks should be kept clean and tidy at all times because you don't know who will use them next.
这种无固定办公桌需要一直保持干净整洁，因为你不知道下位使用者是谁。
Watch should be kept clean, do not put in the wet, dusty, high temperature and the presence of a strong magnetic field.
手表应保持清洁，不要放在潮湿、多尘、高温和存在强磁场的地方。
Dormitory should be kept clean. Students should accept the supervision and inspection of administrative office willingly.
第三十一条跥 自觉打扫宿舍卫生，主动接受和配合外国留学生公寓管理部门的监督和检查。
Therefore, the use of Safety Relief Valves the two hemispheres should be kept clean surface to ensure good sealing effect.
因此，在使用鸭嘴阀时应保持两个半球面的光洁，以确保良好的气密效果。
Dormitories should be kept clean and maintained in good condition: General Dormitory, Dormitory Rooms, Toilets, and Showers.
宿舍应保持清洁，状态维持良好：宿舍整体、宿舍房间、卫生间、浴室。
In the drilling process, should be kept clean hole soil, encountered hole collapse, shrinkage and other abnormal situations, timely solution.
在钻进过程中，应随时清理孔口积土，遇到塌孔、缩孔等异常情况，应及时研究解决。
Employee should arrive on-time, if not early, for all duty shifts. The work area, particularly the desktop, should be kept clean and tidy after duty shift.
职员应在每天的工作时间开始前和工作时间结束后做好个人工作区内的卫生保洁工作，保持物品整齐，桌面清洁、整齐。
Low pressure seal test 4.4.1 for low pressure seal test, the sealing surface should be kept clean, no oil, no grease and seal fat, for to prevent scratches.
低压密封试验4.4.1进行低压密封试验时，低温阀门密封面应保持干净，无油、无油脂和密封脂，如需防止擦伤。
Before the invention of the fork, etiquette directed that the fingers should be kept as clean as possible.
在叉子发明之前，礼仪要求手指要尽可能保持干净。
They should be clean, dry, and have no cuts. They should be kept in a cool, dry place.
它们须干净，干燥，没有损伤，而且应贮存在阴凉干燥的地方。
Canned foods should be kept in a place that is clean, dry and cool.
罐头食品应存放在清洁，干燥，阴凉的地方。
Everything in the Temple should be kept nice and clean.
庙里的每样东西都应该保持干净整洁。
Nails should be kept, clean, well manicured and at a moderate length. Only clear or light nail varnish is permitted.
指甲应修剪整齐，保持干净整洁、长度适中。只允许涂无色或淡色的指甲油。
Work places should be always kept clean and tidy. Hoses, ropes and extension cords must be rolled up after use.
工作场所应始终保持干净和整洁。软管、绳索和电线等必须在使用后卷起。
Our room should be kept neat and tidy with the walls uncluttered and clean.
房间应保持清爽；墙壁要收拾干净。
Hoses and pipes used in the transferring process should always be kept clean and capped.
软管和管材在移交过程要一直坚持洁净和上限。
The bulkhead surfaces and deckheads in sleeping rooms and mess rooms should be capable of being easily kept clean and light in colour with a durable, non-toxic finish.
卧室和餐厅的舱壁和天花板应能够易于保持清洁并应使用耐久、无毒的浅色涂料装饰。
Nails should be kept, clean, well manicured and at a moderate length.
指甲应修剪整齐，保持干净整洁、长度适中。
The electrodes should be kept in an air-tight, clean, dry container for storage.
电极应该保存在气密、干净、干燥的容器中。
The display screen should be kept free of scratches (untrimmed nails, screwdrivers, etc. ), and kept clean at all times.
3显示屏严禁用尖锐物品刮刺（例如，未修的指甲，螺丝刀等），并随时保持清洁。
The wires, element leads, connection terminals to be welded and printed circuits should be treated clean and kept their weld ability.
清洁处理 （Cleaning treatment）待焊的导线、 元器件引线、接线端子及印制电路板均应进行清洁处理，并保证其可焊性。
The wires, element leads, connection terminals to be welded and printed circuits should be treated clean and kept their weld ability.
清洁处理 （Cleaning treatment）待焊的导线、 元器件引线、接线端子及印制电路板均应进行清洁处理，并保证其可焊性。
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