单词	回轉頭
释义	同Countermarch
随便看	variables inspection variable size item variable space variable space character variable space character increment variable space font variable-spacing interferometer variable span variable span wing variable specific heat variable speech control variable speed variable-speed variable speed clutch variable speed compressor variable speed cone variable speed constant frequency generator variable speed-constant frequency wtgs variable speed drive variable-speed drive variable-speed--drive variable speed fan variable speed fluid coupling variable speed gear variable-speed gear