Data cycle minus one, the material at the flashing position minus one for every pushing.
资料循环减一，每按一次，闪烁所在位资料减一。
The problems that in the concrete of the low and minus temperature building, as the superfluous material and their poor qualities bring great hidden trouble to the building project.
低温及负温混凝土施工所用混凝土外加剂存在质量问题，如氯盐量、硫酸钠掺量过高、外加剂质量差等，给建筑工程带来极大隐患。
The problems that in the concrete of the low and minus temperature building, as the superfluous material and their poor qualities bring great hidden trouble to the building project.
低温及负温混凝土施工所用混凝土外加剂存在质量问题，如氯盐量、硫酸钠掺量过高、外加剂质量差等，给建筑工程带来极大隐患。
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