锟斤拷锟絴(zh锟斤拷)锟斤拷锟絚锟斤拷锟狡★拷QT450锟斤拷墨锟斤拷锟絤锟絧锟斤拷通锟絕20锟斤拷锟斤拷锟斤拷锟絲锟統

锟较猴拷锟斤拷锟斤拷锟絧锟斤拷锟斤拷锟斤拷锟紽(tu锟斤拷n)锟斤拷锟睫癸拷司锟劫凤拷锟絎(w锟斤拷ng)站锟斤拷锟斤拷锟斤拷B锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟絚锟斤拷锟狡★拷QT450锟斤拷墨锟斤拷锟絤锟絧锟斤拷通锟絕20锟斤拷锟斤拷锟斤拷锟絲锟統锟斤拷息锟斤拷锟斤拷锟斤拷锟斤拷锟紽(tu锟斤拷n)锟斤拷芽禺a(ch锟斤拷n)品锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷锟絊锟絲锟統锟斤拷锟侥岋拷QT450锟斤拷墨锟斤拷锟絤锟組(j锟斤拷n)锟斤拷20锟斤拷锟斤拷锟斤拷锟統試锟斤拷锟統試锟結(ji锟斤拷)锟斤拷锟较格，無锟窖紋锟斤拷

锟斤拷墨QT450锟斤拷B锟斤拷

QT450锟斤拷墨锟絋锟紽锟斤拷碳锟斤拷锟斤拷锟斤拷石墨锟斤拷锟轿態(t锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷C(j锟斤拷)械锟斤拷锟斤拷锟絟(yu锟斤拷n)锟斤拷锟节灰匡拷锟紽锟斤拷锟接斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟叫冿拷(y锟斤拷u)锟斤拷锟斤拷锟絋锟斤拷锟斤拷锟斤拷锟斤拷锟接癸拷锟斤拷锟斤拷磨锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟侥忥拷锟皆ｏ拷锟絍锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絊锟斤拷锟絏輪锟斤拷锟斤拷锟斤拷锟饺高硷拷锟絋锟斤拷锟皆硷拷锟斤拷N锟紺(j锟斤拷)械锟斤拷锟�锟斤拷

锟斤拷锟紽锟斤拷锟絯锟斤拷锟斤拷墨锟絋锟紽锟斤拷锟絞锟皆猴拷锟斤拷锟斤拷锟絕锟斤拷锟斤拷锟酵溫時锟斤拷锟絞锟斤拷锟斤拷锟斤拷锟斤拷D(zhu锟斤拷n)變锟斤拷锟斤拷锟酵溫沖锟斤拷值锟絕锟竭ｏ拷锟斤拷锟斤拷一锟斤拷锟侥匡拷锟截度硷拷锟斤拷變锟斤拷锟斤拷锟絞锟斤拷锟斤拷锟斤拷途锟絕锟絍锟斤拷锟斤拷锟絩(n锟斤拷ng)锟紺(j锟斤拷)锟斤拷锟斤拷锟斤拷锟絝锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷通锟矫機(j锟斤拷)械锟斤拷锟斤拷锟斤拷锟統锟絯锟斤拷锟竭低夛拷锟斤拷椎锟�锟斤拷還锟斤拷锟斤拷锟斤拷輸電撅拷路锟斤拷锟矫憋拷锟�锟斤拷

碳 C 锟斤拷3.70锟斤拷4.00% 锟斤拷 Si锟斤拷2.15锟斤拷2.93% 锟絠 Mn锟斤拷0.46锟斤拷0.66% 锟斤拷 S 锟斤拷0.010锟斤拷0.016% 锟斤拷 P 锟斤拷0.027锟斤拷0.035% 锟絍 Mg锟斤拷0.027锟斤拷0.050% 稀锟斤拷Re锟斤拷0.026锟斤拷0.043% 碳锟斤拷(d锟斤拷ng)锟斤拷锟斤拷4.3锟斤拷4.6

锟斤拷锟絇(gu锟斤拷n)鏈接ｏ拷锟斤拷锟斤拷品锟斤拷QT450锟斤拷墨锟斤拷锟絤锟斤拷锟絲锟斤拷锟絕锟斤拷锟絞锟皆猴拷锟斤拷锟皆高★拷