求翻译：为保证methane-generating pit的正常使用和人畜粪便能够方便地全部进入methane-generating pit，建议methane-generating pit、猪圈、厕所“三位一体”配套建设，建设成本约2500~4000元。是什么意思？

Methane-generating pit in order to ensure the normal use and livestock manure can easily enter all the methane-generating pit, proposed methane-generating pit, pig pens, toilet, "Trinity" supporting construction, the construction cost of about 2500 to 4000 yuan.

In order to guarantee the normal use methane-generating pit and human and animal wastes can conveniently access all pit, methane-generating methane-generating proposals and pigsties pit latrines, " 3 " one integration, building construction costs will be about $2500 ~ 4000.

In order to guarantee methane-generating pit the normal use and the human livestock excrement can all enter methane-generating pit conveniently, suggests methane-generating pit, the pigsty, the restroom “the Trinity” the necessary construction, the construction cost approximately 2500~4000 Yuan.

To ensure proper use of the methane-generating pit and human and animal feces to easily access all methane-generating pit, it is recommended that methane-generating pit, pigsty, toilet "Trinity" supporting construction, construction cost about $ 2500~4000.

To ensure proper use of the methane-generating pit and human and animal feces to easily access all methane-generating pit, it is recommended that methane-generating pit, pigsty, toilet "Trinity" supporting construction, construction cost about $ 2500~4000.