阻塞

The sewage pipes were choked with rubbish.

垃圾污水管道。

The congestion in the city gets even worse during the summer.

夏天城市交通尤为严重。

Traffic was stopped by a deranged man shouting at the sky.

一名狂叫的疯子交通。

A fall of rocks and earth blocked the road.

落下的岩石和泥土道路。

Roadworks are causing bottlenecks in the city centre.

道路施工导致市中心交通。

A huge snowdrift is blocking the entrance to the driveway.

大雪堆汽车专用道的入口。

The road to the airport is clogged with traffic.

去机场的路交通得很厉害。

Traffic was stacked up for miles because of the accident.

由于车祸, 车辆被好几英里。

Drifts of snow blocked the way.

大雪积堆，交通。

The policeman hurried the crowd forward because they were blocking the scene of the accident.

那警察催促群移动, 因为他们事故现场。

Objective To study the spiral CT features of pancreatogenic segmental occlusion of portal system (PSOPS).

目的探讨门静脉系节段(PSOPS)的CT征象。

It is commonly caused by chronic alveolar hypoventilation or air way mucus plugging.

究其原因，可能为肺泡慢通气不足或气道分泌物。

Mutual Exclusion–not required for sharable resources; must hold for nonsharable resources.

一个进程因请求资而时，对已获得的资保持不放。

Attempts to restrict parking in the city centre have further aggravated the problem of traffic congestion.

在城市中心限制停车的尝试使的问题更加严重。

Objective To inquire into the clinical effect of dacryagogic plastic operation by KTP laser to treat dacryagogatresia.

目的探讨KTP激光泪道成形术治疗泪道的临床效果。

Objective to investigate the surgical method and its nursing care in cases of congenital nasolacrimal canal emphraxis.

摘要目的探讨先天鼻泪管探通手术的方法和护理。

Objective:To illustrate the value of digital subtraction dacryocystography in the diagnosis of lacrimal duct obstruction.

评价数字减影泪道造影术在临床检查泪道中的应用价值。

This abdominal CT scan with contrast demonstrates right hydronephrosis and hydroureter as a consequence of ureteral obstruction.

腹部增强CT显示输尿管导致右(图左侧)肾盂和输尿管积水。

Prepyloric antral webs are relatively uncommon as a cause for gastrointestinal obstruction in infants and children.

摘要在婴幼儿肠胃道的原因中，先天幽门前窦蹼为一相当罕见之原因。

Dacryocystography was preformed in all patients before operation to confirm the obstructive sity and the size of lacrimal sac.

术前造影以解泪囊的大小和的部位，以选择最佳手术适应证。