Objective:To understand and compare the inactivation effect on ascaris suum eggs in urine directing toilets and methane tanks with two-pipe hydraulic pressure type and automatic residue extraction.

• 目的:了解粪尿分集式厕所及水压式双管道自动排渣沼气池两种生态卫生厕所对猪蛔卵的灭活效果并进行比较。