The resistors are coated to prevent water films from forming on the surface.
电阻器经过表面涂敷，以避免在其表面形成水膜。
They used waterproof cement to prevent water from seeping through the roof of the runnel .
他们使用防雨水泥以防止雨水从屋顶的排水渠里渗透出来。
All these measures were calculated to prevent water-logging by rainstorm or mountain torrents.
这些措施都是为了预防暴雨或山洪造成的涝灾。
But the forests can prevent water loss and soil erosion, and cool off the global temperatures.
但是森林就能够阻止水土流失，使气温下降。
Protection system could prevent water and sand; and guarantee a long lasting life of the machine;
完善的防护系统能有效的防水防砂，使机器更加经久耐用；
An example is a coating of car window panes to prevent water from condensing and freezing in winter.
有这样的一个例子，一种汽车玻璃窗的涂层可以防止冬天玻璃窗上的水冷凝结冰。
There are shutters at both sides or other measures that prevent water from splashing by the air inlet.
两侧进风口设有百叶窗或其它防止水从进风口处飘溅的措施。
The role of the check valve to prevent water backflow, with the film door, also do not need a check valve.
逆止阀的作用是防止水倒流，有了拍门后，也就不需要逆止阀了。
One-way valve is designed to prevent water in the return of the blackout to prevent failures that may occur.
单向阀被设计成在停电时预防水回流，防止可能发生的故障。
If the cable should be used sectionally, the head of the cable must be sealed in order to prevent water intake.
电缆如果需要分段使用，电缆分段后必须用防水封帽将电缆头密封，防止进水。
Adding antistripping agent to asphalt is an effective method to prevent water-induced damage of high-grade road.
在沥青中添加抗剥落剂是防止高等级公路水损害的有效方法。
But water is only temporary, auxiliary measures, can not be used as fundamental measures to prevent water pollution.
但是引水只是临时性、辅助性的措施，不能作为治污的根本性措施。
Folds of skin cover their eyes and ears to prevent water from entering, and the nostrils close with a watertight seal.
皮肤的皱褶盖住它们的眼睛和耳朵，防止进水，它们的鼻子内有可关闭的防水封垫。
However, floor drain size may need to be designed to prevent water damage caused by a catastrophic failure condition.
但是地漏口径可能需要确定以防止灾难性故障所产生的水破坏。
These can still prevent water from freezing by limiting its exposure to the air, or by using the heat from the ground.
它们通过利用暴露在空气中（利用太阳能）或者使用地热，从而防止水结冰。
At the entrance to the water with check valve to prevent water at night by the collector current, and cause the heat loss.
水入口处设有止回阀以防止夜间水由收集器逆流，引起热损失。
Remember not to absorb too much water to prevent water from entering into the absorption motor and causing unnecessary loss.
紧记，不要吸入过多的水，以免水渗入马达而造成不必要的损失。
Sewage utilization is one of the most effective measures to solve the crisis of water resources and prevent water pollution.
城市水资源化是解决水危机、防治水污染的有效途径之一。
To prevent water bloom, a new method of inhibiting cyanobacteria's growth was presented based on the bio-effect of ultrasound.
为防治蓝藻水华，从超声的生物效应出发提出了新的抑藻思路。
The first step is to close all vents and openings at the top of the hoistway to prevent water from entering the elevator shaft.
第一步是关紧电梯井道上方所有的排气口以及出口，防止水进入电梯井道。
Installing air surge tank in pressure water system is a new and economically efficient measure to prevent water hammer accident.
压力水系统中设置气压式调压室是防护水锤事故的、新的、经济有效的措施。
In order to make rivers and lakes clean and prevent water from being polluted, we must do something to stop all sorts of pollution.
为了保持河流湖泊清洁，防止水污染，我们必须采取措施，阻止各种污染。
Flashing is metal stripping that is nailed around the perimeters of these holes, then sealed or caulked, to prevent water leakage.
闪光的金属剥离就是钉周围这些小孔，然后密封或房顶，为防止漏水。
Also need the attention, all opened the seal the edge should be of the appropriate film to prevent water, dust, or other intrusion.
还需要致使留心的是，全部翻开的边沿应封上恰当的胶膜防止水、尘土或其它杂质侵入。
To better control and prevent water pollution in rivers, it is necessary to know the conditions of water quality in rivers in time.
为了更好的对河流水体污染进行控制和治理，及时了解河流的水质状况是必要的。
Wax sealing scion method using wax sealing scion and plastic strips to prevent water loss and scion grafting method interface interface.
蜡封接穗嫁接法即采用蜡封接穗、塑料条包扎接口来防止接穗及接口失水的嫁接方法。
In normal use, non spiral crown should push the crown back to the original position, the crown screw thread to prevent water infiltration.
正常使用中，非螺旋式表冠应将表冠按回原始位置，螺纹表冠应旋紧以防止水渗入。
In normal use, non spiral crown should push the crown back to the original position, the crown screw thread to prevent water infiltration.
正常使用中，非螺旋式表冠应将表冠按回原始位置，螺纹表冠应旋紧以防止水渗入。
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