Laray viscometer

例句：

1. 1.The new Laray viscometer has been tested and found to be accurate.
   新推出的拉氏粘度计经过测试，被证明是准确的。
2. 2. The doctor used the Laray viscometer to measure the blood sugar level of the patient.
   医生使用拉氏粘度计测量病人的血糖水平。
3. 3. The Laray viscometer is a valuable tool for measuring the viscosity of fluids.
   拉氏粘度计是测量流体黏度的一种宝贵工具。