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Square sara mbara
  • Square sara mbaraSquare sara mbara

Square sara mbara

Ndị na-emepụta Dongshao na China na-enye ngwaahịa dị elu, a na-anabata gị ịzụta ọnụego square dị elu na ọnụahịa dị mma.

Zipu ajụjụ

Nkọwa ngwaahịa

Dịka otu n'ime ndị ọkachamara na-emepụta ihe, Dongshao ga-achọ inye gị ndị na-egbu osisi dị elu. Anyị ga-enye gị ọrụ kachasị mma mgbe ị na-ere ahịa na nnyefe oge. A na-ejikarị igwe na-egbu ya n'ogige igwe na injinịa igwe, nke a na-ejikarị chụpụ ma ọ bụ mee ka kọntaktị mpaghara iji zere ihe ize ndụ nke ịtọgbọ bolts na mkpụrụ. Ndị na-ekiri anyị na-eji ihe na-enyocha ngwa ngwa na njikwa mmepụta dị elu iji hụ na nguzosi ike ha na ntụkwasị obi ha na ntụkwasị obi ha. N'otu oge ahụ, anyị na-enye nkwado teknụzụ na nnyefe ọrụ ọsọ na nnyefe ọrụ, nke mere na ndị ahịa na-ekweta ma dịkwa mma.


Nkuku ngwaahịa

(mm) Φ10 Φ12 Φ16 Φ20 Φ22 Φ24 Φ27 Φ30 Φ33 Φ36 Φ39 Φ42 Φ45 Φ48 Φ52
mine 11 13.5 17.5 22 24 26 30 33 36 39 42 45 48 52 56
d Max 11.43 13.93 18.2 22.84 24.84 26.84 30.84 34 37 40 43 46 49 53.2 57.2
s max 30 40 50 60 70 80 90 95 100 110 125 135 140 150 160
s mini 28.7 38.4 48.4 58.1 68.1 78.1 87.8 92.8 97.8 107.8 122.5 132.5 137.5 147.5 157.5
Ogbun 3.6 4.6 6 6 7 7 7 7 7 9.2 9.2 9.2 9.2 11.2 11.2
H min 2.4 3.4 4 4 5 5 5 5 5 6.8 6.8 6.8 6.8 8.8 8.8




Mkpado na-ekpo ọkụ: Ndị na-egbu anụ, China, onye na-eweta ihe, ndị na-eweta ihe
Ụdị emetụtara
Zipu ajụjụ
Biko nweere onwe gị ịnye ajụjụ gị n'ụdị dị n'okpuru. Anyị ga-aza gị n'ime awa 24.
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