词汇	践冰
释义	践冰 jiàn bīngrun a risk踐冰
随便看	oscillating sifter oscillating sleeve seal Oscillating Sliding oscillating solution oscillating sort oscillating spindle lapping machine oscillating sprinkler oscillating state oscillating strainer oscillating straw rake oscillating stress oscillating structure oscillating subsoiler oscillating suction box oscillating system oscillating table oscillating tail-fin oscillating tappet oscillating technology oscillating teeth oscillating thermal precipitator oscillating thermionic valve oscillating thinner oscillating tooth oscillating tooth carrier