relative dielectric constant【电】;relative permittivity【电】
【经】 等利润线
constant profit lines
暂无补充释义。
constant profit lines
暂无补充释义。
relative dielectric constant【电】;relative permittivity【电】
dielectric constant
constant-current discharge【电】
broadband constant beamwidth sonar【声】 船
concentration constant
substrate maintenance constant
macroscopic constant
constant pressure arrangement unit