cement concrete
常見(jiàn)例句
- C, calcium carbonate decomposes to give lime or calcium oxide plus carbon dioxide And, this is used as the first step for making cement concrete.
石灰石是碳酸鈣,在900度的時(shí)候,Limestone,is,calcium,carbonate,,and,at,about,900∞,碳酸鈣分解產(chǎn)生石灰,以及二氧化碳,這是制備,水泥混凝土的第一步。 - And so, when you think about how much cement concrete are consumed annually on the planet, this becomes a considerable point source of greenhouse gas emissions.
當(dāng)你想到,在地球上每年要消耗多少的水泥混凝土的時(shí)候,這將是溫室氣體排放的,一個(gè)主要來(lái)源。 - And as part of the effort to involve the local people in rebuilding, women’s self help groups are producing bricks, roofing tiles, and cement concrete hollow blocks to modern specifications.
作為當(dāng)?shù)厝丝趨⑴c重建工作的一部分,婦女自助小組參與了磚、瓦、以及現(xiàn)代水泥混凝土空心磚的制作。 - The National Ready Mixed Concrete Association points out that using ash in cement is not a new idea.
- And so, when you think about how much cement concrete are consumed annually on the planet, this becomes a considerable point source of greenhouse gas emissions.
當(dāng)你想到,在地球上每年要消耗多少的水泥混凝土的時(shí)候,這將是溫室氣體排放的,一個(gè)主要來(lái)源。
麻省理工公開(kāi)課 - 固態(tài)化學(xué)導(dǎo)論課程節(jié)選 - Portland cement is a material that holds together the sand and crushed stone in concrete.
- In the harshly worded order, the judges said that failure to punish such dishonest acts would destroy the moral fibre of society, a national asset of greater importance than cement and concrete.
ECONOMIST: Citizen power in India - Bridges and roads have quite strong federal controls on the use of cement and making concrete.
FORBES: The Fracking Solution Is A Good Cement Job - Yet noble intentions do not, of themselves, move concrete, even rotting concrete like the cement-and-pine-cone slurry used to make the Elwha Dam, the first of the two structures to be built.
ECONOMIST: Water in the West (2) 返回 cement concrete