?检查人孔
... inspection list 检查单 inspection manhole 检查人孔 inspector 验收员 ...
?检查井
... inspection gallery 检查廊道 inspection manhole 检查井 inspection panel 检查门；“口板” ...
?检修人孔
... end manhole 端部人孔(管道的) inspection manhole 检修人孔 junction manhole 交汇处人孔,交汇处检查井(管道的) ...
渗漏检修孔
检查井人孔
检查人孔
Other robots in the pipeline include a manhole inspection and repair robots.
FORBES: Strong Grid: Are Radical Robotics the Secret Ingredient?
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。