强调了在标准粘度液证书中应给出不同温度下的运动粘度和粘度值，以满足粘度计检定工作的需要。
It was stressed that the kinematic viscosity and viscosity should he given at different temperatures in the certificate of the standard viscosity liquid to meet the need of the verification.
目的研究重力和粘度因素对模拟根管中标准纸尖吸液性能的影响。
Objective To investigate the effect of gravity and fluid viscosity on absorbent properties of standard paper points in simulant root canals in vitro.
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