短語詞組短語back -lash voltage [電子]反柵極電壓gear back -lash 輪齒隙Wwe back lash 爆裂震撼back lash adjustment 間隙調(diào)整back lash phenomena 回差現(xiàn)象gear backlash 齒輪嚙合間隙；齒輪側(cè)隙；回差backlash compensation 間隙補(bǔ)償 返回 back lash