undiluted thickness是什么厚? elev. from b.t.l btl可能是battery limit,也可能指下面这么多可能的意思: acronym definition btl between the lines btl battle btl bottle btl buy to let btl below the line (advertising) btl biomass-to-liquids btl bubba the love sponge btl between the lions (pbs children's tv show) btl bridge-tied load (amplifier) btl bell telephone laboratories btl bataillon (german: battalion) btl build-transfer-lease btl built-to-last btl bilateral tubal ligation btl backplane transceiver logic btl bacnet testing laboratories btl beyond the limits btl belize telemedia limited btl between the legs btl blue trunk library btl born too late (band) btl bowel tolerance level btl building tightness limit (building air exchange) btl branching temporal logic btl bipolar-transistor logic btl brian thomas littrell (singer) btl basic termination liability btl battle loss btl british telecommunications laboratories btl birla technologies limited btl batlagundu (parish) btl baltimore tank lines, inc. (trucking company) btl bachelor of talmudic law btl billing term liability (sprint) btl begining tapr label btl blaster teletype btl bit timing logic查看更多