堵塞现象

Though there are a lot of reasons contributing to this kind of transportation congestion, main technique reason is that the signal at each cross cannot assort with each other and is not optimized.

城市交通拥挤和堵塞导致道路的容量和管理效率降低，也是交通污染和事故的间接因素，尽管造成这种现象的原因很多，但各交叉口交通信号的不协调、不优化是主要的技术原因。

Washing the water meter, after the cock drain water, close cock, see if the water level back to normal, if not, examine the system and check cock if it was air-logged.

冲洗水位计，并观察考克排水后，关闭考克后，水位能否恢复正常。如有异常现象，立即检查系统及考克有否堵塞。

However, the autopsy revealed that he had a 90-percent blockage in two of three coronary arteries, an enlarged heart, and a blood clot in one of the arteries.

不过，尸体经解剖后发现，他的三条冠状动脉有两条90%已堵塞；心脏肿大，其中一条冠状动脉有血栓的现象。

Throats are so easily blocked up for clay in rocks that the permeability decreases and the output is affected. The problem can be mostly worked out by inputting clay inhibitor into formations. Production well loggings, such as well logging of output profile, well logging of injection profile with five parameters, engineering well logging, were gained research in Hailaer oil field in this paper.

海拉尔油田是低渗透且具有断块性质的新开发油田，本文提出在对海拉尔油田开发进行地球物理监测时需要解决一系列关联的钻井地质工程问题，诸如岩石中富含粘土成分容易引起地层微粒堵塞喉道、孔道，从而导致渗透率下降现象，直接影响采油井产量。

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％。