With gasketed connections, the material of construction of the washer is important, both for compatibility with the gases in use and for its mechanical properties.

对于衬垫接头，垫圈的结构材料对于使用的气体的相容性和垫圈的机械性能都是很重要的。

youdao

Wood is very important strategic resources of national economy in China, and it is the basic production material of construction, building materials, furniture industry and many related industrial.

木材是我国国民经济中十分重要的战略资源， 也是建筑、建材、家具工业及许多相关工业的基本生产资料。

youdao

And this ship,that we are in, is full of humanitarian aid materials composed of medical,medicine, construction material and very,very much essential needs for Gazan people.

VOA: standard.2010.05.28

You may also consider the factual history of the apartment building in Japan that was mistakenly constructed with some highly radioactive material, the inclusion of the radioactive construction material was not discovered until many years later, the residents were studied extensively for evidence of increased cancer.

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Based in Dallas, Texas, Eagle is a manufacturer and distributor of building material and construction products like cement, gypsum wallboard, recycled paperboard, and concrete and aggregates.

FORBES: Building Boom Sends Eagle Materials Stock Skyward

But in the US, construction waste accounts for 50 per cent of all landfill material, according to the Construction Materials Recycling Association.

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