请将人孔盖移开。Please move the manhole cover away .人孔盖使用不锈钢螺栓和螺母拧紧.Stainless steel bolts and nuts shall be tightened on manhole covers.适用于船舶的水密和油密人孔盖.Used for the watertight and oil tight manhole cover....

“人孔”的英语可以翻译为：[化] manhole，manway ...