结节一般直径数毫米，散布于全肺，但以上肺及肺门旁区为主。

The nodules measure a few millimeters in diameter and are scattered diffusely throughout the lungs, although they are usually most numerous in the upper lobes and parahilar regions.

youdao

几乎所有地区的前区20区22号材料，传感器，可提供接近开关到直径80毫米或在一级螺纹g1监视器。

Sensors for almost all materials in the Ex area zone 20 or zone 22 can be delivered as proximity switches up to 80 mm diameter or as used as level monitor with G1 thread.

youdao