handhole meaning in Chinese

手孔探孔
探孔

Handhole unit for marine auxiliary boiler
船用铺锅炉手孔装置
Welding necks for glass lined vessels ; form m manhole , handhole and assembly opening for clamp screw connections ; connecting , dimensions
搪瓷容器的焊接凸肩. m型人孔手孔和夹紧螺钉连接的
The fosc is suitable for protecting fiber cable splices in straight - through and branching applications . it can be placed in underground , aerial , wall - mounting , handhole - mounting and duct - mounting applications
本接头盒适用于各种光缆直通接头和分岐接头的保护，可挂壁架空地埋和管道人井内挂壁安装。
The fosc is suitable for protecting fiber cable splices in straight - through and branching applications . it can be placed in aerial , underground , wall - mounting and wall - mounting in handhole and duct applications
本接头筒适用于各种光缆直通接头和分歧接头的保护，可地埋架空挂壁和管道人井内挂壁安装。