English translation for "人孔盖座"

manhole cover ring

Similar Words：

"人孔吊钩" English translation, "人孔复式封盖" English translation, "人孔盖" English translation, "人孔盖板" English translation, "人孔盖链" English translation, "人孔鼓风机" English translation, "人孔环" English translation, "人孔加强环板" English translation, "人孔加强圈" English translation, "人孔井" English translation