ֹ̼ܼ,ַ,ֹܼ,Ͻֹܼ,,ĥͷ,ĥܼ,ĥܵ,ʯ,ֹ,¹
ȫѯ
15932729666
ܼǹܵϵͳӡơܷ⡢֧ŵõ㲿ͳơ
ܼǽӳɹ·ӷɷΪвʽܼƹܼܼͺӹܼࡣͬIJƳɡ
ֹּܼ㷽
(1)θֹܵļ㷽ʽWkg/m=߳*4**0.00785
(2)ֵܶΪ1.85kg/dm2 ֹÿļ㹫ʽΪW(kg/m)=0.02466*ں*⾶-ں
(3)ֹÿļ㹫ʽWkg/m=0.02491*ں*⾶ں