handhole

释义

手孔，探孔；

Handhole
Laminated binder for handhole closure fitting
Tool for installing boiler handhole caps
Analysis of Electric Shock Accidents and Check Results in Domestic and Foreign low-Voltage Handhole
The Development of leakage monitoring system for flooded handhole
Opening Reinforcement Calculation for Self-tight Oval Handhole
GUL PSG 14 Pressure guidelines: Guidelines for the Competent Person. In-service examination of manhole and handhole spigot gaps in b...
침수 상태인 저압 지중접속함(핸드홀)의 누전감시시스템 개발
Handhole cover of Kyoto City electric bureau
Fundamental Freauencv Response of UHF Sensor and Investigation of Standing Waves Lying in a Handhole in GIS