It was like a fine mask , suddenly startled, made angry, and petrified. 它好象是一副精制的假面具，突然惊起，发怒，然后成为僵石。
Another prevention method was through elaborate locking rings which made meters non-removable, except with special keys. 另一个预防措施就是安装精制的锁环，使仪表非得用特备的钥匙才能移动。
