水溶专用料醇解度指标为() A: ≥99.65% B: ≥99.66% C: ≥99.67% D: ≥99.68%
水溶专用料醇解度指标为() A: ≥99.65% B: ≥99.66% C: ≥99.67% D: ≥99.68%
电除尘器5个电场,40只灰斗,设计除尘效率() A: 99.74%-99.82% B: 99.66%-99.80% C: 99.76%-99.80% D: 99.76%-99.85%
电除尘器5个电场,40只灰斗,设计除尘效率() A: 99.74%-99.82% B: 99.66%-99.80% C: 99.76%-99.80% D: 99.76%-99.85%
孔尺寸为直径100JS7,已知IT7=34 um,则孔的最大极限尺寸为( ) A: ∅100.34 B: ∅100.017 C: ∅99.66 D: ∅99.83
孔尺寸为直径100JS7,已知IT7=34 um,则孔的最大极限尺寸为( ) A: ∅100.34 B: ∅100.017 C: ∅99.66 D: ∅99.83
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