多項(xiàng)選擇題下列對(duì)CRH380BL輪對(duì)踏面剝離、凹陷限度說(shuō)法正確的是:()​​

A.踏面剝離、凹陷長(zhǎng)度≤20mm
B.踏面剝離、凹陷長(zhǎng)度≤0.5mm時(shí),面積長(zhǎng)度≤190mm2
C.踏面剝離、凹陷長(zhǎng)度≤0.75mm時(shí),面積長(zhǎng)度≤150mm2
D.踏面剝離、凹陷長(zhǎng)度≤1mm時(shí),面積長(zhǎng)度≤100mm2
E.踏面剝離、凹陷長(zhǎng)度≤1.5mm時(shí),面積長(zhǎng)度≤50mm2


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2.多項(xiàng)選擇題CRH3型動(dòng)車(chē)組當(dāng)車(chē)輪直徑大于840mm時(shí),輪緣厚度L一級(jí)修標(biāo)準(zhǔn)為()

A.20≤L3≤30mm​
B.20≤L3≤25mm​
C.22≤L3≤30mm
D.30≤L3≤32mm
E.30≤L3≤33mm​

3.多項(xiàng)選擇題CRH3型動(dòng)車(chē)組ETCS天線距離軌面高度()

A.205-5mm​
B.205+5mm​
C.160-2mm​
D.160+2mm​
E.150mm​

4.多項(xiàng)選擇題CRH380BL動(dòng)車(chē)輪對(duì)踏面剝離限度()

A.輪徑>840mm,長(zhǎng)度≤30mm,深度≤0.25mm​
B.輪徑<840mm,長(zhǎng)度≤25mm,深度≤0.25mm​
C.輪徑≤840mm,長(zhǎng)度≤25mm,深度≤0.25mm​
D.輪徑>850mm,長(zhǎng)度≤30mm,深度≤0.25mm​
E.輪徑<850mm,長(zhǎng)度≤25mm,深度≤0.25mm

5.多項(xiàng)選擇題CRH3型動(dòng)車(chē)組輪對(duì)內(nèi)側(cè)距離為:()​​

A.1343+2mm​
B.1343-2mm​
C.1353+2mm​
D.1353-2mm​
E.1352+2mm​