In the sensor, Bragg grating is stick on the top surface of two bars against each other, for which the principle is that the steel volume will be expanded due to corrosion.

这种传感器将光纤布拉格光栅粘贴固定于两根紧密排列的钢筋上表面。

youdao

An indulgence to start out with, a final grating of Parmesan puts it over the top.

WSJ: Ruth Rogers's Pappardelle With Stewed Pancetta and Creamy Tomato Sauce | Slow Food Fast