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大横杆可用于设置在立杆内侧,其长度不能小于( )。 A.5跨B.4跨C.3跨D.2跨



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ڲ,䳤ȲС( ) A.2B.3C.4D...
ڲ,䳤ȲС( ) A.2B.3C.4D.5ȷ𰸼ؽ ȷ B ޽ ϴ׾2016߿ģ 2015߿...
...ڲ,䳤ȲС3,ں͵( )...
A.3mB.4mC.5mD.6mȷ𰸼ؽ ȷ D ˿ڲ,䳤ȲС3,ں͵6m...
2014갲ȫ
ڲ,䳤ȲС( ),ں͵( A.2;5 B.3;6 C.4;7 D.5;8 2.ɵгѹֵӦС( )KN,֧аȲӦС...
2016㽭ʡCలȫԱ
A.0.35MPa B.0.40MPa C.0.45MPa D.0.50MPa 3ˮƽڲ,䳤ȲС__ A.1 B.2 C.3 D.4 4ǽ...
2016㽭ʡȫԱC֤˿Ծ
A豸 5 ̨ B.ʱ豸...1ˮƽڲ,䳤ȲС__...A.1 B.2 C.3 D.4 2ͼ...
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A.50Nm B.60Nm C.65Nm D.80Nm 2ˮƽӦڲ,ȲӦС(B) A.2 B.3 C.4 D .5 ,Ӧ...
ȫڰϰ(4)
ȫڰϰ(4) (ڰ ʩȫ) һѡ 1.ڲ,䳤ȲС__ A. 2 B. 3 C. 4 D. 5 2....
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A30mm C50mm B40mm D60mm 6 ۼʽֹּܽˮƽڲ, 䳤ȲС (C) 1 A1 C3 B2 D4 ...
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ּƪһѡ( 91 ) ۼʽֹּܽˮƽڲ,䳤Ȳ С(C) A.1 B.2 C.3 D.4 ۼʽֹּܽҵ...
4. ʩֳۼʽֹּܽܰȫ淶JGJ130-2011-...
Ȳ 2.2m, 󳤶Ȳ( A...4m C ) B5m 3.2 ۼ C6.5m D7.5m...ˮƽӦڲ,ȲӦС( ...
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