1.ڟo@c䓽䏊Ș˜ֵȡֵ( )
A.׃ڵđ
B.O
C.0.9O
D.l
𰸣D
2.Pڻ׃Ĕһle`?
A.܉Ɖĕr_ĉ׃ֵһ0.002
B.܉Ɖĕr_ĉ׃ֵһ0.0033
C.Ǿ܉Ɖĕr_ĉ׃ֵһ0.0033
D.Ɖĵ׃ֵ܉Ɖĵĉ׃ֵСö
𰸣B
2020עԽԇ}(ģMԇ}/})d | |||
ģM |
¹(ji) |
v꿼} |
ÿһ |
ھyԇ |
ͻƾ |
ԭ}(zhn)ݾ |
ÿ10ԇ} |
cԇ | cԇ |
3.һh(hun)eıoӵСҎ(gu)( )
A.С䓽ֱ20mm
B.С䓽ֱ25mm
C.С䓽ֱ30mm
D.С䓽ֱ40mm
𰸣B
4.wYOӋҎ(gu)Ҏ(gu)ȡ헴ʩɷֹppw플Ӊwѿp?
ŮOØҘHOڷĽ̎;II.摪Oñ;III.䓽cwȦĽ|Oˮƽӌ;IV.플Ӷ˲wmO
A.IIIIII
B.IIIIV
C.IIIIIV
D.IIIIIIV
𰸣D
5.҇Ŀǰٔߌӽ䓽YҪԭиеĎ( )?I䓽Y䓽Yr;II䓽Yp|ߏԺܽߵĽ;III䓽Yʩٶȿ;IV䓽YCϽЧ
A.III
B.IIIV
C.IIII
D.IIIIV
𰸣B
6.150mmr䓽gM( )
A.70mmS200mm
B.70mmS300mm
C.70mmS1.5
D.dS1.5
𰸣A
7.ͨuwYeA<0.3m2r,䏊OӋֵ{ϵ( )
A.0.75
B.0.89
C.0.7+A
D.0.9
𰸣C
8.ϽYݵĿgc( )P
A.w(w)e͙Mg
B.MgࡢПoɽ
C.Пoɽʩ|
D.w(w)eʩ|
𰸣A
9.ܵĹĩˑƳ 135㏝^^^ƽֱLȲСڹֱ( )
A.5
B.10
C.15
D.20
𰸣B
10.䓽Wܿɷ֞ܛ䓺Ӳ䓃ӲԇПo@ͨȡښ׃?yu)кֵrđ(Ql)?
A.0.1%
B.0.2%
C.0.3%
D.1.0%
𰸣B