O 开头单词

oil shale retort [化学]油页岩干馏炉

oil shale residue [机械工程]油页岩灰渣

oil shale recovery [土木建筑工程]油页岩开采

oil shale n. [油气] 油页岩

oil sesame [经济学]麻油

oil separator [车辆][油气][机] 油分离器；[车辆][油气][机] 油气分离器

oil separation 油分离

oil seepage 油漏，油渗漏

oil seed

oil seal ring 油封环

oil seal retainer [交通运输工程]护油圈油封护圈

oil seal [机] 油封

oil scrubber [经济学]油洗涤器

oil scraping ring [机械工程]刮油环

oil scraper ring 刮油圈；[机] 刮油环

oil scraper piston ring [经济学]刮油活塞环

oil save-all [交通运输工程]防止溅油装备

oil saponification value [数学]油皂化值

oil sand [矿物] 油砂

oil rub resistance [材料科学]抗油污