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用Vicat针式检测器测定混凝土、水泥砂浆及其它类似材料的初凝和终凝需耗费很多时间。其检测结果的精确度如何则主要取决于仪器操作者及其细心的程度。
Determining initial and final setting of concrete, cement mortar and other similar materials with the Vicat needle detector takes time. The accuracy of the test results depends largely on the instrument operator and its degree of care.