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198
ሖ঱
ሖ঱ဵ༭ອਜ਼༭ሖᒄମࡼ௦ಭă
ገހ೟঱ࣞLjሌ୓૴ჇፒᓰࢯᓰLj཭ઁ୓ߛᔇहᒙᏴ࢒14ອLjހ೟༭ອࡼࢻݝᎧ
༭ሖࡼ࢏ݝᒄମࡼ௦ಭă
ጙۅ౶ჅLj࢒ጙሖᑚৈ௦ಭ።কᏴ1.5--1.7 mmLj࢒ങሖ።কᏴ2.0 mm--2.2 mmă
࣪᎖໕ሖ૴ჇLj࢒໕ሖ።কᏴ 2.2 mm--2.4 mmă࣪᎖ڭሖ૴Ⴧ࢒ڭሖࡼ঱ࣞ።ক
2.4 mm--2.6 mmă
࿟ၤ༭ሖᒄᅪࡼ༭ሖLjࢯᑳࡼऱजဵ࠭࢒ጙሖఎဪ঱ࣞ࠭ࢅሶ঱ᓆ୍ᐐଝă
ྙਫሖ঱ࣞვ঱Lj૴Ⴧ୓્ซ᎖ዝᔔăྙਫሖვࢅLjభถ્खညࡌອĂፒ९ᇄဉ૞ལचዓߒࢀሚሷă
ྙਫ૾ဧሖ঱ࡼࢯᑳ঱ࣞᑵཀྵLjથဵखည༭ሖࡌອ૞ᇄဉሚሷLjิభถኊገࢯᑳ༭ஷন஖ă
ሮ༽༿ݬఠĐ༭ஷࢯᑳđᐺஂ(p. 198)ă
ো௣ิ૴Ⴧᓤ๼ࡼޚፒ໭/༭༙ಢቯࡼݙᄴLjࢯᑳሖ঱ࡼऱज્ᎌჅݙᄴăሮ༽༿ݬఠሤ።ޚፒ໭/༭༙ᐺஂă ř
ڭࣞፒࢯᑳ
ྙਫখܤ೫༭ሖ࠰ᇼLj૞ဧ፿഍ᅪࡼࢯፒजLj௓ܘኍ
ࢯᑳ༭ሖࡼޠࣞ(ڭࣞፒ)LjཀྵۣჅᎌ༭ອ࿟࣒ޘညᑵཀྵ
ࡼፒ঱ă
ࢯᓰ૴Ⴧࡼፒ঱ઁLjጲዝᔔᓿဴᆻᓕ૴ჇLj཭ઁ࣪܈
ඛো༭ሖږሆ࢒12ອᑵޟࡧᔔࡼፒ঱ᎧᏴ࢒12ອࠀࡧ
ᔔ߲ࡼमፒፒ঱ă
ྙਫ12ອࠀᔈ཭ږሆࡧᔔ߲ࡼፒ९ፒ঱ࢅ᎖ক༭ອࡼ
मፒLjభጲ୓ޚፒ໭/༭༙ࡼ༭൩ሶ༄ጤࣅLjჁ࣢ሖ
ޠăሤनྙਫকອፒ঱঱᎖मፒፒ঱Lj༿ሶઁጤࣅ༭
൩Ljଝޠ༭ሖă
፿ࢯፒܭހ೟ڭࣞፒࢯᑳࡼᓰཀྵቶă ř
ো௣Ⴥڔᓤޚፒ໭/༭༙ࡼݙᄴLjࢯᑳ༭൩ᆡᒙࡼऱजጐᎌჅތፊăሮ༽༿ݬఠิ૴Ⴧ࿟Ⴥڔᓤޚፒ໭/༭༙ࡼ஑࿬ ř
ᐺஂă
༭ஷࢯᑳ
༭ஷߒኚง၊༭ሖࡼ౯ೆLj჈ࡼઍࣞݙஞ၊ࡵࢯፒᆮࢾቶਜ਼༭ሖ࠰ᇼࡼᆈ්፬ሰLjጐ્Ⴒᓹᆨࣞਜ਼ဘࣞखညܤ
છă
ྙਫ૾ဧᑵཀྵࢯᑳ೫ሖ঱ਜ਼ፒ঱Lj྆ঢ௻खည೫ࡌອ૞ፒ९ᇄဉࡼ༽ౚLj௓ገࢯᑳ༭ஷࡼઍࣞă
1 ଶއ༭ஷࡼઍࣞ
ᑵཀྵࢯፒઁLjጲዝᔔᓿဴᆻᓕ૴Ⴧă୓࢒ጙো༭ሖږᏴ
࢒ጙ༭ອࠀጲૺږᓕ༭ஷᎧ༭ᄏ୻੝ࠀࡼ༭ອLj཭ઁᏴ
࢒ڭ༭ອࠀހ೟༭ሖᎧ༭ອᒄମࡼମᇺă
፿ሤᄴऱजހ೟ᔢࢅፒ༭ሖࡼମᇺLj཭ઁ஠ቲࢯᑳLjཱུ
কମᇺࠀ᎖0.3 mm--0.5 mmࡼपᆍጲดă
2 ྙਫମᇺ࿩᎖ 0.3 mmLjభጲ፿૴Ⴧ۞ᓤดএᐓࡼങ୯
ۄ၄૞ᄁᄺۄ၄LjږᑍऱሶĐAđࢯᑳ༭ஷন஖ࢻݝࡼ
൛ඍLjဧ༭ஷࡼઍࣞৎଝڞሡă
12F