11_O(sh)ԇ܇rM(fi)Ñ(yng)Ӌ( )
AO(sh)ُM(fi)
BԇоM(fi)
CbM(fi)D(lin)ԇ\(yn)D(zhun)M(fi)
𰸣C
12Ӹ2.2ԃ(ni)ļg(sh)ӑ(yng)( )e
AӋ
BӋ
CһӋ
D30%Ӌ
𰸣B
13O(sh)ӋM(fi)ڽO(sh)Ŀе( )
AA(y)M(fi)
B̽O(sh)M(fi)
CM(fi)
DM(jn)g(sh)M(jn)O(sh)M(fi)
𰸣B
14oB(ti)ͶYbM(fi)O(sh)ُM(fi)̽O(sh)M(fi)ú( )
AA(y)M(fi)
BA(y)M(fi)
CqrA(y)M(fi)
Dδ_Ŀ(zhn)
𰸣B
15wˮƽҿpȺQҿp˞( )
A.4mm
B.5mm
C.10mm
D.15mm
𰸣C
16ˮɓһ(sh)ĥ(x)úėlDzڵ?(200130)
A.?ji)B
B.(qing)
C.ɰӼ
D.܌
𰸣B
17M(fi)ӵӋM(fi)A(ch)( )
Aʹö
BҎ(gu)ģ
CII(y)
ḎUM(fi)
𰸣C
18ˮϱO(sh)ӋrД_( )(200442)(200637)
A.ˮ300kg/m3
B.ɰ˞35%45%
C.úғ˴25%
D.ˮұȲô0.55
𰸣C
192011}P(gun)ˮĥʯҪe`( )
A.ϲwe
B.\ɫӑ(yng)ðˮ
C.ͨˮĥʯĥ锵(sh)3
D.oˮĥʯӰϑ(yng)^
𰸣D
20Ŀؔ(w)urȫ淴ӳĿYȫòؔ(w)( )
AĿؔ(w)F(xin)
Bp
CYԴc\(yn)ñ
DYa(chn)ؓ(f)
𰸣C