你是说给谁听的 » You are talking to who will listen to the 水泥物理性能试验 » Cement physical performance test 货物将在今天晚上发出，你明天早上会收到，我放了10个备品和2个其他颜色的手环 » The goods will be issued this evening, you w...
The properties of the compositecement were studiedby orthogonaltest, which was prepared by the clinker, slagandfly ashwithdifferentfinenessand mixed after separatelygrinding.