Remain its accuracy rotating 360 degree around center for Square and cylindroid vials.它的精度主要是指圆柱和方水准器的沿轴心360度翻身....

n.曲线岛adj.圆柱形的...

cylindroid的音标：cylindroid的英式发音音标为：['sɪlɪndrɔɪd]cylindroid的美式发音音标为：['sɪlɪnˌdrɔɪd]...