组分计量 meaning in English

component metering
component metreing

Conventional building - mortar is usually blent into in the construction local , which possesses many defects such as low accuracy of mixture ratio , poor stability of quality , contractility of bigness , broad fluctuation of felted strength , anti - penetrability of feebleness , collapse of easiness and ect , and it is vital reason , resulting in lots of engineering quality accidents as following : crack in the wall , swelling , penetration , and collapse . mortar made in the local is at the cost of wasting materials and contaminating environment
传统的建筑砂浆都是在施工现场拌制，现场拌制的砂浆各组分计量准确度低、质量稳定性差、收缩性大、粘结强度波动大、抗渗性差、易剥落，是建筑工程墙面开裂、起壳、渗漏、甚至墙体倒塌等质量事故发生的主要原因；现场拌制砂浆还会造成材料浪费和污染施工环境。