·ӽW(wng)r(sh)(yng)Ȍһ˹̶ȻoʹL(zhng)ʿ1.0%-1.5%֮g̶һ
2·ӽW(wng)(yng)vM
wW(wng)M8~10cmv5~8cmv̎K̶
·ӽW(wng)M4~5cmvճճY(ji)
3ճ
·ӽW(wng)O(sh)ٞrճͣ0.40.6kg/O·ӽW(wng)Ȟճ·ӽW(wng)#ճͣ0.40.6kg/O
4rʩ
ʩ܇v·ӽW(wng)D(zhun)x܇甂䁙C(j)ϴ(yng)ճʯм
·ӽW(wng)r(sh)(yng)Ȍһ˹̶ȻoʹL(zhng)ʿ1.0%-1.5%֮g̶һ
2·ӽW(wng)(yng)vM
wW(wng)M8~10cmv5~8cmv̎K̶
·ӽW(wng)M4~5cmvճճY(ji)
3ճ
·ӽW(wng)O(sh)ٞrճͣ0.40.6kg/O·ӽW(wng)Ȟճ·ӽW(wng)#ճͣ0.40.6kg/O
4rʩ
ʩ܇v·ӽW(wng)D(zhun)x܇甂䁙C(j)ϴ(yng)ճʯм