manhole的例句（manhole在句子中的用法）

• Stainless steel bolts and nuts shall be tightened on manhole covers. 人孔盖使用不锈钢螺栓和螺母拧紧.
• How about that manhole In the courtyard. You been down there? 那么广场下面的通道呢? 你下去过 吗 ?
• Please move the manhole cover away . 请将人孔盖移开。
• Debus turn head in the manhole 2 to have equipments smoothly entered. 在人井2中,将弯头卸下,便于设备进入.