堵塞

However these troubles of concentrated urea liquor crystallizing and blocking pipe, as well as urea changing into biuret at high temperature should be avoided.

但在生产中要妥善解决尿素浓溶液易结晶堵塞管道以及尿素在高温下易生成缩二脲的问题

It was found out that the evaporator shutter and the blocking of top separator by the biuret were the direct reasons for standard exceeding.

分析尿素装置水解解吸工艺冷凝液超标的原因，确认蒸发器百叶窗及顶部分离器缩二脲堵塞是造成此次工艺冷凝液超标的直接原因，并据此提出防范措施，减少同类事故的发生。

"F a pore gets blocked but stays open, the top surface can darken and you are left with a blackhead."

而如果毛孔堵塞但没有关闭，毛孔的表面颜色就会加深，黑头粉刺就出现了。

Now do you see how this is a step up from a blatant plug of a website or product.

现在你看看这是明目张胆堵塞加紧从一个网站或产品。

A post embolization angiogram showed complete occlusion of the bleeder and preservation of the superior thyroid artery with immediate effect.

栓塞术后的血管摄影像显示了出血点的完全堵塞以及保留了上甲状腺动脉且达到立即的效果。

Bangkok's traffic is among the worst in the world, and has blighted the lives of the city's 8 million people.

曼谷是世界上交通最糟糕的城市之一，交通堵塞严重影响了该市800万居民的生活。

It is often caused by a blockage in the ear, such as wax.

它往往是由于堵塞的耳朵，如蜡。

Blood rushes to your nose and causes a blockage in it.

血液冲击到您的鼻子和原因，堵塞在它。

Or there could be a hole or blockage in a lung.

或者可能是有洞或堵塞在肝里。

In order to aviod the internet blockage we have the best to get on the internet in different time.

为了避免网络堵塞，我们最好错开上网时间。

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％。