求翻译：为保证甲方所属区域的卫生与安全，使鼠害密度达到国家爱卫会有关除四害的标准，甲乙双方本着平等互利的原则，经友好协商，就甲方委托乙方进行鼠害防治工作之相关事宜签订本合同。是什么意思？

Party belongs to the region to ensure the health and safety, so that rodents National Patriotic Health Campaign Committee for four pests density of the standard, the principle of equality and mutual benefits both parties, through friendly consultation, Party A Party B commissioned for rodent control

In order to guarantee a party affiliated regional health and safety in the rodent density reached national love who will be the subject of 4 standards, both parties on the basis of equality and mutual benefits, through friendly negotiation, commissioned by Party A to Party B for rodent control work

In order to guarantee the the party of the first part respective region the health and the security, enable the rat damage density to achieve the country likes the health being able related to eliminate the four harmfuls the standard, armor second grade both sides in line with the equality and mutua

To ensure party a region's health and safety, the rodent density to achieve national aiweihui standards for eliminate the four pests, a and b in line with the principles of equality and mutual benefit between the two sides through friendly consultations, party a delegate b controlling related matter

To ensure party a region's health and safety, the rodent density to achieve national aiweihui standards for eliminate the four pests, a and b in line with the principles of equality and mutual benefit between the two sides through friendly consultations, party a delegate b controlling related matter