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一 是非题 1 + 2 — 3 — 4 + 5 —6 — 7 — 8 — 9 + 10 — 二 填空题 1 按照硬度计检定规程对硬度计进行日常检查 2 系统误差、偶然误差,过失误差 3 δ_g、δ_(gt)、δ_g、δ_(gt)、δ_R ;用其来估计材料的硬化指数n值 4 0;—1;交变应力 5 磨损量;磨损率;相对磨损性ε 6 强度;应力 7 10~35℃;23±℃ 8 规定比例极限,规定残余伸长应力δ_(0.01);屈服强度δ_(0.2) 9 3~5 10 抗拉强度δ_b;抗拉强度δ_(bli)
First, the non-title 1 + 2 - 3 - 4 + 5 -6 - 7 - 8 - 9 + 10 - Second fill in the blank 1 in accordance with the durometer test procedures for routine inspection of the hardness tester 2 system error, accidental error, error error 3 δ_g, δ_g, δ_δ, δ_R; Use it to estimate the hardening index n value of the material 4 0; -1; alternating stress 5 wear; wear rate; relative wear ε 6 strength; stress 7 10 ~ 35 ℃; 23 ± ℃ 8 Proportional limit, the provisions of the residual elongation stress δ_ (0.01); Yield strength δ_ (0.2) 9 3 ~ 5 10 Tensile strength δ_b; Tensile strength δ_ (bli)