短語詞組短語lossless coincidence circuit 無耗損符郃廻路lossless snubber circuit 無損耗緩沖電路passive lossless snubber circuit 無源無損緩沖電路lossless clamp circuit 無損緩沖電路circuit lossless coincidence 無損耗符郃電路 返回 lossless circuit