警报器具；警报仪器的英文

• warning instrument

• 警报器:    alertor; telltale; alarm; si ...
• 具:    utensil; tool; implement
• 警报:    alarm; warning; alert
• 仪器:    instrument; appliance; appar ...
• 警报器:    alarm annunciator; alarm apparatus; alarm box; alarm buzzer; alarm device; alarm rattler; alarm siren; alarming apparatus; alertor; bull horn; bullhorn; hooter; signal alarm; sirene; syrem; syren; telltale