harmKeuzeSub property

Implementation

String get harmKeuzeSub => isNL
    ? 'I_design = I_fase  bij h₃ ≤ 33%  ·  I_design = I_N  bij h₃ > 33%'
    : 'I_design = I_phase  at h₃ ≤ 33%  ·  I_design = I_N  at h₃ > 33%';