人孔 探孔 检修孔

manhole  detail>>

出入孔检修孔人孔

access hole  detail>>

检修孔, 人孔

access opening  detail>>

人孔, 检修孔

manhole  detail>>

出入孔检修孔

access hole  detail>>

人孔，(阴沟的)检修孔；【铁路】避孔。

manhole  detail>>

电缆地下室,人孔,检修孔,电缆竖井

cable vault  detail>>

检修孔

acce hole &;am lt;&;am gt access door access hole access opening  detail>>

舵检修孔

access hole of rudder  detail>>

检修孔盖板

access panel  detail>>

桨叶检修孔

blade removal opening blade-removal opening  detail>>

金属检修孔盖

manhole covers of metal  detail>>

检修人孔

inspection manhole  detail>>

检查孔；检修孔；出入孔

acce hole access hole  detail>>

检修孔塞和孔盖

access plug and cap  detail>>

探孔

hand- hole; manhole  detail>>

人孔

manhole ◇人孔围板 [船舶工程] manhole coaming  detail>>

勘探孔

cover hole curtain hole exploration hole exploratory hole prospect hole pro...  detail>>