4.5mm壁厚立柱的壁厚误差为( )。A.+不限定,-0.15mm B.+0.

资格题库2022-08-02  7

问题 4.5mm壁厚立柱的壁厚误差为( )。A.+不限定,-0.15mmB.+0.5mm,-0.15mmC.+不限定,-0.25mmD.+0.5mm,-0.35mm

选项 A.+不限定,-0.15mm
B.+0.5mm,-0.15mm
C.+不限定,-0.25mm
D.+0.5mm,-0.35mm

答案 C

解析 4.5mm壁厚的立柱壁厚误差为:+不限定;-0.25mm。
转载请注明原文地址:https://tihaiku.com/jzgc/2227024.html

最新回复(0)