描述
接地体和接地网干线所用钢材规格可按下表选用,若接地电阻满足不了要求时,也可选用铜材。如果接地体和接地网干线安装在腐蚀性较强的场所,应根据腐蚀的性质采取热镀锌、热镀锡等防腐措施或适当加大截面。
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM DIGITAL e
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM DIGITAL f
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM DIGITAL g
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM DIGITAL i
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM DIGITAL j
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM DIGITAL k
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM w/DIGITAL
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM w/DIGITAL