常見(jiàn)例句雙語(yǔ)例句The influence of shear-pattern steel fiber on plastic cracking, drying shrinkage and mechanical properties of concrete is studied by experiments.通過(guò)試驗(yàn)研究剪切型鋼纖維對(duì)混凝土的塑性開(kāi)裂、干燥收縮及混凝土力學(xué)性能的影響。Mathematical models for Fluid Catalytic Cracking (FCC) riser reactors were built generally on the basis of assumption of "plug flow" pattern within risers.催化裂化提升管反應(yīng)器數(shù)學(xué)模型基本上都是基于平推流反應(yīng)器的假設(shè)建立起來(lái)的。 返回 crack pattern