Terms for subject Nautical containing counter

English	Chinese
counter-rotating bearing	反向转动轴承
counter-rotating propellers	反向旋转螺旋桨
counter weight	吊货索压重
counter-weight tensioning device	重锤张力装置
digital counter	数字式频率机
engine counter	发动机转速表
gear counter	成对齿轮
window with counter weight	重力平衡窗