The foreign has this new type of steel in the seventies. We began to study it in the eighties.

这种新型结构钢国外始于七十年代，我国八十年代初开始非调质钢的研究。

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The flange pipe of the high diameter groove is a new type of steel pipe connection, also known as the clip connection, there are many advantages.

高径槽法兰管是一种新型的钢管连接，也称为夹连接，有许多优点。

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PC box girder with corrugated steel web is a new type of steel-prestressed concrete composite structure, which is used widely because of its many advantages.

波形钢腹板PC箱梁结构是一种新型的钢-预应力混凝土组合结构，由于其自身的诸多优点应用日趋广泛。

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We also looked at several groundbreaking building systems that stand to make our cities stronger and more sustainable, starting with a new type of flexible superglass that is stronger than steel.

ENGADGET: Inhabitat's Week in Green: sexy green cars, glass strong as steel, and Tianjin's Eco-City revealed