When an ice run flows to a frozen section, it can become blocked. If the blockage persists, water levels may rise and cause floods and dam bursts, threatening lives and property.

据悉，黄海和渤海段会在不同节气融化和凝结，当浮冰堆积至结冰段，会形成堵塞，若堵塞持续存在，会引起水位上升，导致洪水泛滥和大坝损毁，进而威胁生命和财产安全。

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During the test of Ku1 well in Da Zhangtuo underground gas storage tank, MHS packer is blocked and set in stage collar of deviated section.

大张坨地下储气库库1井试油，MHS封隔器在斜井段分级箍时遇阻坐封。

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A special unit is used for delivering the plug into pipeline, it is appropriate for temporarily blocked and pressure-released pipe section in pipeline repair operation.

该封堵器采用专用的送进机构送入管道，适用于管道维修作业中暂时封堵已卸压的管段。

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Many Sussex and Kent roads remain treacherous with a section of the M20 in Kent blocked and part of the A2 Dover Road closed.

BBC: Snow causes more travel and school disruption

The Secretary of State, in consultation with the Secretary of the Treasury, is hereby authorized to submit the initial and updated lists of persons who are subject to visa sanctions and whose property and interests in property are blocked pursuant to this order to the appropriate congressional committees as required by section 105(b) of CISADA (22 U.S.C. 8514(b)) and to redelegate these functions consistent with applicable law.

WHITEHOUSE: The White House