皮皮学，免费搜题
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搜题
【单选题】
当发现钢筋脆断、焊接性能不良或力学性能显著不正常等现象时，该批钢筋进行（）或其他专项检验。A.
力学性能复验
B.
化学成分检验
C.
焊接性能检验
D.
抗拉强度复验
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】何谓最小偏向角?
A.
经棱镜两次折射，入射光线和出射光线延长线的夹角。
B.
经棱镜一次折射，入射光线和折射光线的夹角。
C.
经棱镜第二次折射，分界面处的入射光线和出射光线的夹角。
D.
在棱镜中的折射角
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