在增产节約、反浪費运动中,內蒙古得耳布尔林业局发揚自力更生精神,制成了柴油三級过滤器(見图)。經过一个多月的使用,証明它具有密封性好、結构簡单、移动輕便、适于山场小工队使用等特点。該滤油器由过滤油桶、貯油箱、手搖油 In increasing production and saving, anti-waste campaign, Inner Mongolia Erbuluo Forestry Bureau to promote self-reliance, made of diesel three filters (see photo). After more than a month of use, it has proved that it has good sealing, simple structure, lightweight mobile, suitable for use by mountain workers and other characteristics. The filter by the filter drum, storage tank, hand oil