例句 /

In the light of the concrete natural condition of Beilun Port Area, experimental research on physical-mechanical performance, anti-chloride erosion &anti-permeability property of concrete of designed mix ratio as carried out, and an in-depth discussion fo

In the light of the concrete natural condition of Beilun Port Area, experimental research on physical-mechanical performance, anti-chloride erosion &anti-permeability property of concrete of designed mix ratio as carried out, and an in-depth discussion fo

因此,针对北仑港区具体自然环境,对预先设计的混凝土配合比进行了物理力学特性、抗氯离子侵蚀、抗渗性试验研究,并对混凝土改性后与耐久性的关系进行了深入探讨。