堵塞

This equipment use and popularity has the extremely vital significance to protect oil aerosphere, reduce the recovery cost, enhance the recovery ratio, protect environment.

作业完毕后，尚需把高比重的压井液替换出来，最为严重的是高比重压井液对地层造成污染和堵塞，导致区块内油井产量降低和注水井的过早损坏。

The frequency about 16KHZ the permeabIe feverΦ60 about work Piece,mayweld many kinds of hard aIloy tools 1、the standard Piece.the faslener heat upset 2、drill rod steel,drill rod utensil drawing-back,forge,squeeze the warmup waiting 3、Welding of diamond saw.drilling tool 4、Bit,coal aiguille,rivetting the pole aiguille,welding of the pick 5、Lathetool,planer tool,milling cutter and welding of different woodwork cutters

为了解决上述弊端，采用新型空气冷却器一次换热，传热管形成高热流密度，由快速的空气流把热量散发到大气中去。纯净水在新型的空气冷却器和高频加热设备内闭路循环，被冷却系统长期不结水垢，不被异物堵塞，冬季在冷却水中加入防冻剂杜绝了水路被冻坏的故障。

One of their air- duct has been blocked.

有一条输气管道堵塞了。

If the air filter is clogged seriously, you need to replace a new one.

如果空气滤清器已经发生严重堵塞则需要更换新的。

The solution: clean plug to remove oil line in the air.

解决办法：清洗堵塞，排除油路中的空气。

This will help keep the tongue from blocking the air passage so the child can breathe.

而且还可以让孩子的舌头不堵塞呼吸道。

The practice will also help reduce traffic congestion and air pollution at the same time.

电脑的使用也有助于缓解交通堵塞，同时也减少了大气污染。

It is normal that the inverter has some radiation, please keep the fixing condition airiness and clean, don't build up the hole of airiness.

电源在使用过程中有一定的发热量属正常现象，但要保持安装环境的通风散热、干净清洁，特别不能堵塞通风孔。

Many people believe building an underground city is one way to alleviate the problem.,

大多数人认为，建造地下城市是减缓交通堵塞的一种方法。

In the refilling wastewater of oilfield, sulfate reduction bacteria, saprophyte bacteria andiron bacteria cause the stratum plugged and facilities corrosion.

在油田回注污水中，能引起设备腐蚀和地层堵塞的细菌有硫酸盐还原菌、腐生菌、铁细菌等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。