boringadj.令人厌烦的;乏味的
boring head镗头,钻头,镗戏,镗刀盘,镗床主轴箱
boring gage钻孔量测仪
boring dust镗屑
boring rope钻机用的钢丝绳
boring mill镗床
boring trip令人厌烦的旅行
boring stick土钻
boring close穿孔封闭
boring music令人讨厌的音乐
boring winch钻机绞车