Yf08 babban-matsin lamba mai matsin lamba daidai da matsin lamba

Siffofin sunadarai na npt shine raguwa na ƙasa (Amurka) zaren bututun mai.

Za a yi amfani da madaidaicin murhun? An yi amfani da matsayin matsin lamba na Amurka a Arewacin Amurka. Za'a iya samun ma'aunin ƙasa a GB / T12716-1991.

PTShin raguwa ne na bututun bututu mai tsayi, wanda shine babban fayil ɗin bututun mai 55 da aka rufe. Yana cikin dangin labaran na filean wasan kwaikwayo na matsin lamba kuma galibi ana amfani da su a Turai da kasashen Cometwealth. Ana amfani da shi a cikin masana'antar ruwa da masana'antar gas da gas, kuma an ayyana dokar azaman 1: 16. Za'a iya samun ƙa'idodin ƙasa a GB / T730-2000.

Gshine filin wasan kwaikwayo na 55 - wanda ba shi da zaren zabe, wanda yake cikin dangin zaren na mawuyacin hali. Yi alama g ga silinda. Za'a iya samun ƙa'idodin ƙasa a GB / T7307-2001.

MA cikin zaren awo na awo, misali, M20 * yana nuna diamita na 20mm da farar fata ne ta hanyar kamfanin Yuyang gaba daya M20 * zaren. Bugu da kari, da 1/4, 1/2 da 1/8 alamomi a cikin zaren yana nuna diamita na girman zaren a inci. Mutanen da ke cikin masana'antu yawanci suna kiran sittin da minti, inch ɗaya daidai da minti 8, 1/4 inch daidai minti 2, da sauransu. G alama ya zama janar na Piple Cope Thra (Guan), da Rarrabawa na 55 da 60 digiri aiki ne, wanda aka fi sani da clewarity da'ira. Zaren da aka yi amfani da shi daga farfajiyar siliki.

ZGAn san shi da yawa a matsayin cone mazugi, wato, an yi amfani da zaren ta hanyar rufin conal, da kuma haɗin gwiwar bututun mai gaba ɗaya kamar wannan. Alamar metric Grey a matsayin RC a tsohuwar ka'idar ƙasa ta firgita ta hanyar farar hula, kuma zaren da aka yi a Amurka da Burtaniya sun bayyana ta hanyar yawan zaren da inch. Wannan ita ce babbar bambanci tsakanin zaren na matsin lamba. A awo hitsu square ne 65-digiri, thean Burtaniya silsila ne 55-digiri, kuma ba na Amurka ne 60. Metrier Threads yi amfani da raka'a awo, da kuma Ba'amurke da Ingila da Ingila suna amfani da raka'a Turanci.