At first, they tried to use concrete to seal it up.
起初,他们试图用混凝土将漏洞封住。
The radiator assembly is now almost ready for soldering to seal it.
散热器大会现在几乎准备焊接胜局。
Workers later added cement to harden in the well to seal it permanently.
随后,工人们将加入水泥进行加固,将该油井永久性地封闭。
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