If a stable column of mud has been set up in the well, keeping the oil at bay through its sheer weight, the next step would be to set cement in the well and seal it off permanently.
如果一个稳定的泥浆柱能在油井里成型，并通过它十足的压力将石油限制在海湾范围，那下一步就是将井里的泥浆粘合好，使油井永久封闭。
Although it is said that the weight is not light, but in order to prevent the impact of bad weather on the advertising light box, or to build a cement square pier is good.
虽然说广告灯箱的的重量不轻，但为了防止恶劣天气对广告灯箱的影响，还是先砌一水泥方墩为好。
According to the characteristics of micro-fine cement, a compound early strength agent and light weight cement with 1.
根据微细水泥的特点，开发出了适合微细水泥-漂珠低密度水泥体系的复合早强剂和密度1。
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