B3-3.43/0.981 type back-pressure steam turbine in the power station of Nanyang Factory of Paraffin Fine Chemical has troubles of bearing vibration, thrust disc and journal scratch.是什么意思_B3-3.43/0.981 type back-pressure steam turbine in the power station of Nanyang Factory of Paraffin Fine Chemical has troubles of bearing vibration, thrust disc and journal scratch.在线翻译_英语_读音_用法_例句