工(gong)(gong)字型平(ping)尺(chi)(chi)按/T7977－99制造，材料(liao)為HT250，工(gong)(gong)作面采用(yong)刮研(yan)或(huo)jingmi磨削(xue)工(gong)(gong)藝，工(gong)(gong)字型平(ping)尺(chi)(chi)用(yong)于(yu)機床(chuang)檢(jian)驗(yan)中檢(jian)驗(yan)不平(ping)度(du)和不直度(du)兩(liang)個(ge)是(shi)配(pei)合塊(kuai)規、千分尺(chi)(chi)、水(shui)平(ping)儀(yi)等儀(yi)器檢(jian)測不同高度(du)兩(liang)導軌(gui)的(de)平(ping)行和不連接(jie)導軌(gui)的(de)水(shui)平(ping)，并(bing)可以配(pei)合直角尺(chi)(chi)，檢(jian)驗(yan)只(zhi)用(yong)直角尺(chi)(chi)無法(fa)檢(jian)驗(yan)的(de)兩(liang)機件的(de)垂直度(du)的(de)量具。

歐美午夜精品(pin)久(jiu)(jiu)(jiu)久(jiu)(jiu)(jiu)久(jiu)(jiu)(jiu)久(jiu)(jiu)(jiu)久(jiu)(jiu)(jiu)浪潮: