求翻译：外加剂性能：应使混凝土密实耐用，保证混凝土具有抵抗化学影响、磨损、钢筋腐蚀、冻融影响、裂缝、离析的性能。采用的所有外加剂应是相容的。所有外加剂应无氯或其它腐蚀化学剂。所有外加剂应不含有膨胀成份。是什么意思？

The admixtures performance: should make the concrete dense and durable, to ensure that the concrete has cracks resistant to chemical effects, wear, reinforcement corrosion, freezing and thawing affect the segregation performance. All admixtures should be used in compatible. All admixtures should be

Plus, the performance should be: dense and durable concrete precast concrete has a resistance to ensure that chemical, wear, and steel corrosion, freeze-thaw, cracks, and the performance deteriorates. All of the admixture used should be compatible. All admixture should be no chlorine or other corros

Admixture performance: Should cause the concrete densely durable, guaranteed the concrete has the resistance chemistry influence, the attrition, the steel bar corrodes, the freezing and thawing influence, the crack, the segregation performance.Uses all admixtures should be accommodating.All admixtur

Admixtures: concrete should be dense and durable to ensure that concrete are resistant to impact, abrasion, corrosion, chemical properties of freeze-thaw effect of segregation, cracks,. All additives should be compatible. All additives should be no corrosion of chlorine or other chemical agents. All

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