second class press fit二级: two stage; two level; second ...压: press; push down; hold down; ...合: ge,a unit of dry measure for ...一级压合: first class press fit中级压合: medium-force fit; medium-press fit下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:二级压合，即可在微信中查询翻译
