Invest in a new toothbrush or a replacement head for your electric or battery-operated toothbrush every three to four months - or sooner if the bristles become frayed.
牙刷或者电动牙刷刷头应每三~四个月更换一次——如果未到时间，刷毛已经磨损或是变形，那么请及时更换。
The car's design alone is likely to turn old-fashioned notions of electric vehicles on their head.
但就车型设计来说，这款电驱车将彻底打破电驱车一贯的倾向于中古时尚的设计理念。
Unlike head-banging music, its composition was ultra-subtle, as the eyes slowly registered guitar, drum sticks, musical notes and electric wires.
不像甩头乐那样，当眼睛慢慢地注意到吉他、鼓槌、乐谱和电线的时候，会发现这条摇滚项链的曲风是十分细腻的。
But for health needs, the brush head Souness two generation of inverter electric toothbrush comes with a transparent brush for daily dust cover!
而且出于卫生需要，索纳斯二代变频电动牙刷的刷头都自带一个透明刷头盖，用于日常的防尘！
Although the safety electric eye has good resistance to natural light interference, but at the time of installation to avoid strong direct sunlight direct electric eye head.
安全电眼虽然具有良好的抗自然光干扰能力，但在安装的时候也要尽量的避免强烈的太阳光直接直射电眼头。
'in general, we are going to be able to restore electricity in the next 24 hours in most of the country,' Rodrigo Castillo, head of the electric power companies association said Sunday.
电力企业联合会负责人卡斯蒂约(RodrigoCastillo)周日表示，在总体上，我们将能够在未来24小时恢复全国多数地区的供电。
The technique involves the use of electromagnets positioned strategically on the head to create a magnetic field that sends tiny electric currents into the brain.
这项技术包括战略性放置在头上电磁石的应用，它产生一个发射微小的电流进入大脑的电磁场。
Patients undergoing this treatment have a coil placed on their head which uses electromagnetic induction to activate weak electric currents via a changing magnetic field.
进行该项治疗的患者在头部置有一个线圈，这个线圈通过电磁感应在一个变化的磁场中激活弱电流。
Both three kind of single and two parallel connecting water-activated battery may rapidly and reliably fire common electric ignition head.
三种单个水电池和两个并联的水电池都可以迅速、可靠地点燃普通电点火头。
The electric clearance check of tower head is an important measure to ensure the safe operation of overhead transmission line.
塔头电气间隙校核是保证架空输电线路安全运行的重要措施。
Head, shaft head, using cast iron sleeve, wear durability, lifting equipment sub-two kinds of electric and manual.
水头、轴头、采用生铁套，耐磨耐用，提升装置分电动和手动两种。
With an electric iron. Smashed her head in.
我用电熨斗砸碎了她的头。
Electric shock and head, strength, vibration frequency is high, up to 25000 times per minute.
电动式(可选气动)震动刀枪头，力量强劲，震动频率高，每分钟可达25000次。
Electric eye head, strong anti-interference ability, it will not be affected by all kinds of visible light, infrared light and non modulated interference error trigger.
电眼头，抗干扰能力很强，它不会受到各种可见光，非调制红外光的干扰和误触发。
Digital display device or grinding head of electric spindle can be provided according to custom's request.
根据用户需求，可提供数显装置，电主轴磨头装置。
Electric heaters and spline rolling head can be tailored based on customers' requirements.
可根据客户要求制作电热器和滚压头模具。
Directional control is achieved through the opposing movement of the robot's head and torso sections, which is synchronized by means of two electric motors and cables.
定向的控制是通过机械手的头部和躯干部分的相对运动，这是由两个电动马达和电缆的装置同步来实现的。
A new type of electric balancing head is introduced in this paper.
介绍了一种新型电动平衡头。
A joint. It is set at the connection of the cover head of core with power supply wire to cover the plastic casing of electric connection of copper strand and power supply wire.
一接头，设置在上述芯线及包覆层的首端与电源的供电线的连接处，用以包覆所述的铜绞合线与电源的供电线的电气连接的塑料罩壳。
This gave us the conditions to chant for him and even to place an electric prayer wheel above his head.
这让我们不仅能替他唱诵，并且甚至能放一个电动的祈祷轮在他的头上。
A real rat's head model during transcranial magnetic stimulation is presented. And the analysis is carried out to calculate the spatial distribution of the electric field by finite elements method.
本文建立了经颅磁刺激中大鼠真实头模型，并利用有限元方法计算了模型中感应电场的空间分布情况。
Wearing a curly crop on her head, the actress flashed her electric smile and carried around with poise.
顶著她的捲捲发，这位女演员闪耀著她能够电到人的微笑，举止优雅。
The test shown that the electric igniting parameters and igniting time of this kind of fuse head with a wrapper on its bridge wire are both better than that of common bridge wire fuse head.
试验证明，这种涂覆式桥丝电点火头的电发火参数和发火时间的精度均有所提高。
Another is to put a little coil of wire on top of a pigeon's head and use an electric current from a small battery to make an electro-magnet.
另一项实验是在鸽子的头顶端绕上一个小金属线圈并用一小块电池发出的电流制成的一个电磁体。
We depend on head company international management experience and international designers 'real strength, are able to supply all kinds of electric vehicle for domestic and abroad customers.
本公司依靠母公司国际化经营的经验和国际化设计团队的实力，能够为国内外客户提供满足各种要求的各种电动车。
This paper describe a new technique that using a new power head driven dy electric hydraulic replaces the old one by steam power.
本文用实例介绍了将以蒸汽为动力的驱动部分去掉，代之以电动液压驱动的动力头技术。
In order to improve the precision of electric current transducer used to measure small current, the sensing head must be optimized, mainly to resolve difficulty of phase compensation for sensing head.
为了提高用于小电流测量的电子式电流互感器的精度，必须对传感头进行优化，主要解决传感头的相位补偿问题。
In order to improve the precision of electric current transducer used to measure small current, the sensing head must be optimized, mainly to resolve difficulty of phase compensation for sensing head.
为了提高用于小电流测量的电子式电流互感器的精度，必须对传感头进行优化，主要解决传感头的相位补偿问题。
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