The compatibility of the superplasticizer with straight cement and admixture cement is investigated by testing the fluidity loss of cement pastes containing the superplasticizer added.

Well, straight on the road had been covered with cement, a long white carpet, so pure, so crystal clear, it seems, really makes people could not bear to have his foot up.

He pulled Einstein to walk toward a building site and straight set foot on the cement ground that the construction workers had just paved.