甲公司采取的是成本领先战略。成本领先战略的优势主要包括：①形成进入障碍；②增强讨价还价能力；③降低特代品的威胁；④保持领先的竞争地位。

采取成本领先战略的风险主要包括：①技术的变化可能使过去用于降低成本的投资(如扩大规模、工艺革新等)与积累的经验一笔勾销；②产业的新加入者或追随者通过模仿或者以高技术水平设施的投资能力，达到同佯的甚至更低的产品成本；③市场需求从注重价格转向注重产品的品牌形象，使得企业原有的优势变为劣势。

[English answers]

Company A adopts the Low-cost strategy. The advantages of Low-cost strategy primarily include: ①Develop entry barriers; ②Enhance bargaining skills; ③Reduce the threat of substitutes; ④Sustain a leading competitive position.

The risks of taking the Low-cost strategy primarily include: ①Technology changes and innovation can replace valuable experience and the investment of reduce cost (e. g., scale up, technological innovation, etc.) in the past; ②The new competitors or followers in this industry achieve the same or even lower costs by taking imitation or have ability of high technology level facilities investment capacity; ③The market demand tend to build up product brand image instead of price promotion, making the enterprise loss their own advantages.

甲公司应对潜在竞争者的措施：

①呈现的进入障碍(结构性障腮)“几乎垄断了小家电市场”。

②准备进入者可能遇到的现有在位者的反击(行为性障碍)“甲公司就会采用降价促销的手段来抢占市场，极低的成本有效地阻止了其他潜在竞争对手的进入。”

[English answers]

Measures of company A to deal with potential competitors: ①Entry barriers (structural barriers) "almost hold the home appliances market". ②New potential competitors may face to threaten from existing market occupier (behavioral disorder) "Company A will take advantage of sales promotion to occupy the market, by using Low cost strategy effectively prevent other potential competitors to occupy the market."