The paper also studies the mechanization construction technology of Tunnel Skid-resistance Low-noise CementConcrete Pavement.
同时论文对抗滑低噪声水泥混凝土路面机械化施工工艺进行了研究。
2
And so, when you think about how much cementconcrete are consumed annually on the planet, this becomes a considerable point source of greenhouse gas emissions.
当你想到,在地球上每年要消耗多少的水泥混凝土的时候,这将是温室气体排放的,一个主要来源。
3
And as part of the effort to involve the local people in rebuilding, women's self help groups are producing bricks, roofing tiles, and cementconcrete hollow blocks to modern specifications.