duplex gageduplex gauge双: two; twin; both; dual针: needle计: count; compute; calculate; n ...双针: dbl ndl double needle; drct double ray crown tail (rays); twineedle指针计数器: exponent counter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:双针计,即可在微信中查询翻译