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[单选题]
KTA19£G2柴油机在怠速工作时,机油泵的正常供油压力不能小于()kPa。
A.83
B.103
C.108
D.310
查看答案
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A.83
B.103
C.108
D.310
A.进、排气电磁阀占空比,都从100%变为50%
B.进气电磁阀占空比保持在100%,排气电磁阀保持在0%
C.进气电磁阀占空比保持在0%,排气电磁阀保持在100%
D.进、排气电磁阀占空比,都从0%变为50%
A.345
B.560
C.115
D.230