1.He had a plan for a twenty-one-mile tunnel under the English Channel.
2.It was an Englishman called William Low.
3.He suggested that a double railway-tunnel should be built. This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
4. It was officially opened on March 7,1994
发表于 2010-4-30 20:12
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