短语词组短语fluid fire extinguisher 液力灭火器;流体灭火器;液体灭火器fluid d extinguisher 液体灭火器portable fluid extinguisher 手提式液体灭火器;轻便液体灭火器fluid dram fire extinguisher 液体灭火器extinguisher fluid 灭火液fire -extinguisher fluid 灭火器液 返回 fluid extinguisher