词汇	金属包垫
释义	金属包垫 metaled gasket
随便看	average probability of error Average Procurement Unit Cost average product average production average production capacity average production cost average production period average production per well average production worker average productive capacity average productive output average productivity average product length average produdion function average profit average profit margin Average Profit Per Closed Trade average profit rate average profit rate of society average profit rate on funds average profit under socialism average program average projectile speed average propensity average propensity of saving