The top of each earth electrode shall be protected from damage by placing it in a lightweight inspectionchamber similar to Furse Catalogue No. PT205.
每个接地电极的顶部应得到保护,免受损坏,放置在一个轻量级的检查室,类似弗斯目录号PT205。
2
The hazard of our society has been introduced by settlement of inspectionchamber in road, and the fee of maintenance and overhaul are incrementing every year.
检查井的沉降给社会带来很大危害,且每年用于维修检查井的费用也在递增。
3
The contents and methods as well as matters needed attention about periodical inspection of hyperbaric oxygen chamber which is different from pressure vessel have been introduced.