Pressure relief holes give a big help to decrease the frost-heaving pressure and excavate soil enclosed by frozen curtain.
泄压孔的设置可以有效减小冻胀压力，并有利于冻土帷幕内土体的开挖；
In any case, the failure to offer pain relief shows up some bigger holes in the treatment of the very ill in Africa, particularly those with cancer.
无论如何，无法为病人减轻痛苦表明非洲对这一疾病的医疗系统存在大漏洞，尤其是癌症。
A blast round consists of cut, relief, breast, and trim holes.
一个爆破炮眼组包括掏槽眼、辅助眼、压眼和边界眼。
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