b type counting unitcounting unit b typetype b counting unitb: a B picture 第二流影片。 A B ...型: mould; model计数: count; tally; counting装置: installation; device; appara ...b-2型计数装置: b-2 type counting unit; counting unit b-2 type; type b-2 counting unit下载手机词典可随时随地查词查翻译
