另一位检查员鲍勃·约翰斯顿称道，目前一个人安装操作的事例越来越普遍，此事故正是一个人操作的后果。
Another inspector, Bob Johnston, says the accident shows the consequences of a growing practice of single-man installation.
另一位检查员鲍勃·约翰斯顿称道，目前一个人安装操作的事例越来越普遍，此事故正是一个人操作的后果。
Another inspector, Bob Johnston, says the accident shows the consequences of a growing practice of single-man installation.
应用推荐