为保证槽脊的强度,活塞环槽光车或磨削时,加工余量不得超过A.20%~25%B.25%~30%C.10%~15%D.15%~20%
为保证槽脊的强度,活塞环槽光车或磨削时,加工余量不得超过
A.20%~25%
B.25%~30%
C.10%~15%
D.15%~20%
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国产起动蓄电池规定的常温起动容量电解液的温度为A.20℃B.25℃C.30℃D.15℃
为保证槽脊的强度,活塞环槽光车或磨削时,加工余量不得超过
A.20%~25%
B.25%~30%
C.10%~15%
D.15%~20%