No. 878 1740
L—tŽ÷

-wd03-

Šw–¼ Ulmus thomasii

‰p–¼ Rock elm

•W€˜a–¼ ƒƒbƒNƒGƒ‹ƒ€

•Ê–¼A’n•û–¼

•ª•z’nˆæ –kƒAƒƒŠƒJ“Œ•”、’†•”

-wd08

ӊd 7+ 0.57`0.63

Žûk—¦ 6

@EÚü•ûŒü ŠÜ…—¦1%“–‚蕽‹ÏŽûk—¦ ‘SŽûk—¦

0.33%`0.38% 8.1%`9.5%

Žûk—¦ 5

@E”¼Œa•ûŒü ŠÜ…—¦1%“–‚蕽‹ÏŽûk—¦ ‘SŽûk—¦

0.17%`0.20% 4.1%`5.0%

-wd10

‹È‚°ƒ„ƒ“ƒOŒW” 7 101`112@ ~1000@kg/cm2

cˆ³k‹­‚³ 7 410`450kg/cm2

cˆø’£‹­‚³ 7+ 1410`1600kg/cm2

‹È‚°‹­‚³ | |

‚¹‚ñ’f‹­‚³ 8 126`140kg/cm2

1740/1787 ƒy[ƒW
擪 ‘Oƒy[ƒW ŽŸƒy[ƒW ÅŒã


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