Why It's Unique: "This was the first tunnel goingunder a body of water, and it was the first time the shield tunnelingconcept was used, " Hashash tells PM.

独特之处：“这是第一条置于水中的隧道，也是第一次采用盾构隧道的概念，”哈沙什告诉大众机械的编辑。

youdao

Why It's Unique: "This was the first tunnel goingunder a body of water, and it was the first time the shield tunnelingconcept was used, " Hashash tells PM.

独特之处：“这是第一条置于水中的隧道，也是第一次采用盾构隧道的概念，”哈沙什告诉大众机械的编辑。

youdao