4 CĴʩ
4.1 ƹϼd
x10.40mm ʯ10.30mm ?5% b ģ2.80- 3.00 ɰͨ0.315n Yɰ15% ɰʿ40%- 45%ɰʯ1%ڣ ]xP?nbsp;žʹúɰ
4.2 xӼ
YҪ {һӼ ˮDˮӼӼǸĺԣ ʹˮ20% b ˮұȿɿ0.55n ӳ5h u
4.3 xˮˮ
Ȳ525R ͨˮ?nbsp;425R ͨˮȸsˮ࣬Լˮѡ࣬ ˮx ͻֵxúx 90 120 e?nbsp; ˮ xֵƺͻǰn 425R ˮ450kg/m3 525R ˮ360kg/m3.Խͻ ͻܵ
4.4 еʩ
ݱʹص?nbsp;֙ ֶζ?nbsp;һ¶x ?nbsp;ѭƽ һεķȻбķ ܽrõգ ܵϴͽӳ sЧʣ ˮ C̔r䡣ݻʱȻG¶ȵ?nbsp;ÿǰ һ՟{ڣ Ҫϲ ԑײܣ Ԝ՟Ŵ _̔aƽ Ҳϣ _߶ϻԟͻˮཬ?nbsp;ʽCǰͲ?nbsp;ĥ Tպϻˮd?
4.5 Ľʩ
ʩrλõEĨԍo?nbsp;ײ¶ݶx dһҪڡͬrǰĨ de?nbsp; ȡ
4.6
ԭϵļ鹤ʩݚҪָʩ _ֹ εˡʱ鲢 Դ\Hֵe?nbsp;ȡʩhžrʩǰ һҪA⣬֤ԤĉԡͬʹPʩ?nbsp;Ҫʩ
4.7 A
՟dn]ӦƬ ֱӲ TֱӿO ru C¶ݶx _d졣ڻϼ˿Сֱ?nbsp;ȹ?nbsp;м¶Ƚȥ .3.00m _r C_мf20@2 ˮƽƬ֙ ˮƽֲ϶ʩ н ϶r7d ϣ ֲȸ1.5m ̔1.5m ϱ档ڹ?nbsp;ʩɽE8 IJ¹ϼе豸Ͷ롣
rE¶o\仯?nbsp;C_]Yµ?nbsp;L βã ÿµ¹201 ܵC_λã ĵ һܵ_ϱ100mm \¶x ¹ܾ¶100mm.100 ĺɫˮ¶ȼƲn Էl5d ÿ2h 1 Σ 6dÿ4h 1 Σ ¶ȶֹʩIJ Eĸ߷ֵһ3.5d E 3d ¶ȿԁ ֵ̔20b ԏ淶涨ڣ δ?
5
ʩӍȽϴ dĻʽ϶?nbsp;{ʧ˽;ʧ ҪٺͿdij оЩһο