短语词组短語motor steeper 步進電機rotary steeper [糧食]平轉式浸泡器bridge steeper 橋枕steeper detail 浸漬者steeper slope 邊坡較陡steeper terrain 陡峭地形half round steeper 半圓枕木a steeper slope 陡坡steeper slope mining 陡幫開採 返回 steeper