thicknesser划线盘thicknessn.厚度；浓度；层thickness extension vibration厚度伸缩振动thickness of overlaying layer覆盖层厚度Thickness of accumulated snow积雪厚度thickness-measuring circuit厚度测量电路thickness of carburized layer渗层厚度Thickness of bolster plate mm工作台板厚度thickness of compressed layer压缩层厚度thickness of coral soft tissue珊瑚软体层厚度thickness of sliced lotus root藕片厚度thickness shear vibration mode厚度切变振动