a(chn)Ʒgc
1Bm(x)ȺgҪǞˏaBm(x)܈gyҎ(gu)Сa(chn)һ{ԇϸMһ~Ƭ;ȶаl(f)¼g
2Bm(x)Ⱥga(chn)~ƬcBm(x)܈ga(chn)~ƬһӞݾBm(x)ΑB(ti)cdz;ȸغcȿһ¡
3~Ƭͼgв#ߣЧcBm(x)܈gஔ
ԔҎ(gu)2-5mmȣ䓌Ȳ30mm6-10mmȣ䓌Ȳ50mm10-20mmȣ䓌Ȳ80mm
a(chn)Ʒgc
1Bm(x)ȺgҪǞˏaBm(x)܈gyҎ(gu)Сa(chn)һ{ԇϸMһ~Ƭ;ȶаl(f)¼g
2Bm(x)Ⱥga(chn)~ƬcBm(x)܈ga(chn)~ƬһӞݾBm(x)ΑB(ti)cdz;ȸغcȿһ¡
3~Ƭͼgв#ߣЧcBm(x)܈gஔ
ԔҎ(gu)2-5mmȣ䓌Ȳ30mm6-10mmȣ䓌Ȳ50mm10-20mmȣ䓌Ȳ80mm