9512.net
Ŀ
ǰλãҳ >> >>

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



£
...ڲ,䳤ȲС( ) A.1B.2C.3...
ˮƽڲ,䳤ȲС( ) A.1B.2C.3D.4ȷ𰸼ؽ ȷ D ޽ ...
...ڲ,䳤ȲС3,ں͵( )...
ֹּܽܵĴڲ,䳤ȲС3,ں͵( ) A.3mB.4mC.5mD.6mȷ𰸼ؽ ȷ D ˿...
...ڲ,䳤ȲС3,ں͵( )...
ֹּܽܵĴڲ,䳤ȲС3,ں͵( ) A.3mB.4mC.5mD.6mȷ𰸼ؽ ȷ D ˿...
ּܿ
A30mm C50mm B40mm D60mm 6 ۼʽֹּܽˮƽڲ, 䳤ȲС (C) 1 A1 C3 B2 D4 ...
ּܰȫ⼰
D.5 3ˮƽڲ,䳤ȲС( A.2 B.3 C.4 4 ˮƽ˵Ľͷͬͬ, ͬ...
ȫڰϰ(4)
ȫڰϰ(4) (ڰ ʩȫ) һѡ 1.ڲ,䳤ȲС__ A. 2 B. 3 C. 4 D. 5 2....
ּƪ(249)
ּƪһѡ( 91 ) ۼʽֹּܽˮƽڲ,䳤Ȳ С(C) A.1 B.2 C.3 D.4 ۼʽֹּܽҵ...
ּܹ淶
A.50Nm B.60Nm C.65Nm D.80Nm 2ˮƽӦڲ,ȲӦС(B) A.2 B.3 C.4 D .5 ,Ӧ...
ɽCԱϽּܹ
[ȷ:D] A3 B4 C5 D6 13...ˮƽڲ,䳤ȲӦС (B)... 15С˵λ,Ӧ...
4. ʩֳۼʽֹּܽܰȫ淶JGJ130-2011-...
Ȳ 2.2m, 󳤶Ȳ( A...4m C ) B5m 3.2 ۼ C6.5m D7.5m...ˮƽӦڲ,ȲӦС( ...
رǩ
ӷʽ    ּܺ˼    ּܺݸ    Բּ̽         ô        С    

All rights reserved Powered by Ŀ 9512.net

copyright ©right 2010-2021
Ŀ磬ַϵͷzhit325@126.com|վͼ