必须架设电线或定期更换电池将太过困难。
Having to run wires or regularly replace batteries would be too difficult.
这些木桩需定期更换。
壳体中的木鱼石颗粒可定期更换。
The wooden fish stone granules in the casing can be regularly replaced.
定期更换服装并交由外部洗衣店清洗。
Clothing is changed regularly and use is made of an external laundry service.
确保计算机密码的定期更换。
我们定期更换我们的商品。
皮质表带属消耗品，经常佩戴须定期更换。
Leather Watchband of consumables, often worn to be replaced regularly.
消毒剂品种应定期更换，防止产生耐药菌株。
The different varieties of disinfectants shall be used alternatively so as to prevent the development of resistant strains of microorganisms.
吸入污泥，则易浸蚀球座和球，故要定期更换。
It is easy to suck sludge, and etching tee ball, it should be changed regularly.
假发需要定期更换。
制动液的更换周期为40000公里，需要定期更换。
The replacement period of the brake fluid is 40000 km, which needs to be replaced regularly.
手套应该定期更换，特别是每一次碰到危险化学品时。
Gloves should be changed regularly, and whenever they contact hazardous chemicals.
自动化系统必须使用需要定期更换口令的个人担保账户。
Automated systems must use individually assigned accounts that require a periodic change of password.
按产品使用说明，定期更换电池，一般4个月需更换一次。
By the use of the product, regular replacement of batteries, generally 4 months to replace a.
除此之外，激光能够持续更长时间段，而氙气灯较快燃尽，需定期更换。
On top of that, lasers last for a long time, whereas xenon lamps burn out and need to be replaced periodically.
框架配置包含日志记录和XMLBinding服务，不需要定期更换。
The framework configuration consists of logging and the XML Binding service which need not be changed regularly.
安装入口处污垢捕捉系统。使用优质的空气过滤器，并定期更换。
Install entryway dirt-capturing systems. Use good quality air filters and change them regularly.
在这种情况下，计划预算花洒头的灌溉系统和其他部件的定期更换。
In these cases, plan to budget for periodic replacement of sprinkler heads and other irrigation system components.
提出对湿化瓶系统进行定期更换和消毒是预防医院感染的重要措施。
It put forward that to change and to sterilize the humidification bottle system periodically are the important measures to prevent nosocomial infection.
在长期高温环境及矿物的磨擦作用下，易变硬或破损，应定期更换。
It is easy to harden or damage in the long-term high-temperature environment and friction of minerals, so it should be changed regularly.
现代的工作取代了旧的和现代的地区也扩大了，定期更换旧的工业区。
Modern kind of jobs has replaced old ones and modern districts also expanded, regularly replacing old industrial districts.
风机的轴承，油封及消声器，叶片等属于消耗品，故有一定寿命，需定期更换。
The bearing, oil seal, silencer and leaf of the fan are wearing parts with limited life and should be changed periodically.
滤清器是一种需要定期更换的易耗品，市场需求量非常巨大，竞争也非常激烈。
Filter is a consumable product which needs replacing termly, the market is huge; the competition is very fierce.
战略物资储备应当规模适度、储存安全、调用方便、定期更换，保障战时的需要。
The strategic material reserve shall be appropriate in scale, safe in storage and convenient for deployment and shall be regularly updated to ensure wartime needs.
空气滤清器应定期更换，滤芯应进行冲洗。通常建议每次发动机换油时都应这样做。
Air cleaners should be removed periodically and the filter element washed, the usual recommendation is that this should be done every time the engine oil is changed.
所述的 单面带胶毛毡可定期更换，更换时将磨损的毛毡揭下来，重新粘附一层即可。
The single-side adhesive felt can be replaced periodically; and during replacement, take off the worn felt and then adhere a new layer of felt.
另外，作业时容易积存污水，所以作业结束后一定要排水和清扫浮球，并定期更换浮球。
In addition, operation easy to accumulate sewage, so after the end of job must drain and clean float, and regular replacement of the floating ball.
有人可以像换袜子一样定期更换女朋友，也可以为了经济利益而和不爱的人生活一辈子。
Anyone can change as regularly as socks, can also replace girlfriend to economic interests and love life.
有人可以像换袜子一样定期更换女朋友，也可以为了经济利益而和不爱的人生活一辈子。
Anyone can change as regularly as socks, can also replace girlfriend to economic interests and love life.
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