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73. 低合金鋼管使用 ψ2.4 公厘的填料銲接,其根部間隙最好為(A)3.2 公厘(B)4.0 公厘(C)5. 0 公厘(D)1.6 公厘。
問題詳情
73. 低合金鋼管使用
ψ
2.4 公厘的填料銲接,其根部間隙最好為
(A)3.2 公厘
(B)4.0 公厘
(C)5. 0 公厘
(D)1.6 公厘。
參考答案
答案:A
難度:
非常簡單
0.833
書單:
沒有書單,新增
上一篇 :
72. 銲接技能檢定的試片是採用(A)彎曲試驗(B)拉力試驗(C)放射線檢驗(D)衝擊試驗。
下一篇 :
74. 鐵的熔點比銅(A)高(B)低(C)大致相同(D)高低不定。
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