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1·Open drainage should be performed for PA.

对于PA，应行脓肿切开引流。

2·Method: Open drainage and dental pulp cavity seal were adopted.

方法：采用开放引流、髓腔封闭二种方法。

3·People said, bear children they are able to shoot open drainage stone, because he was single-minded Xin-Zhi, energy is highly concentrated.

人们议论说，熊渠子所以能射开石头，是因为他当时心志专一，精力高度集中。

4·Acute cholangitis of severe type (ACST) is critical and the development is rapid, to relieve bile duct obstruction and open drainage quickly and effectively are still the most basic principles.

重症急性胆管炎(ACST)病情危重、进展迅速，及时、快速且有效地解除胆管梗阻、通畅引流仍然是最基本的处理原则。

5·The most common is primary open-angle glaucoma, in which the eye’s drainage canals are partly clogged.

最常见的是开角型青光眼（open-angle glaucoma）。 患这种病的眼部排水渠道被部分堵塞。

6·Doing Sarvangasana (Shoulderstand) and Halasana (Plow Pose) can open nasal passages, ensuring proper drainage of sinuses.

肩倒立式和犁式，疏通了堵塞的鼻腔，保证了鼻窦的“排污”工作顺利进行。

7·Therefore the general construction process scheme is worked out as follows: open trench drainage, work site dried in the sun, conventional butt welding, and pipe laid down into trench.

经过调研和反复现场勘察，确定的总体施工方案为：挖明沟排水，作业带晾晒，正常组对焊接，沉管下沟。

8·Using time relay type electronic drainage device emissions every 2 minutes: open a, an average of about 2 seconds leak compressed air every day, the leakage of time.

采用时间继电器式电子排水器排放：每2分钟开一次，平均约2秒泄露压缩空气，每天的泄露时间。

9·Conclusions CT-guided percutaneous catheter drainage has the advantage of minimal invasive and simple technique; it can be as an effective substitute method of traditional open external drainage.

结论CT引导下经皮置管引流创伤小，操作相对简单，是传统开腹外引流术的有效替代方式。

10·Water drainage hose, charging valve shall be kept open.

为排出槽内和排水管中的水，应使排水阀保持开状态。