A、A.length
B、B.slack
C、C.height
D、D.rotation direction
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A、welding brackets across both ends of the crack B、chipping out and slot welding the entire crack C、drilling a hole at each end of the crack D、cutting a square notch at each end of the crack
A、cutting a square notch at each end of the crack B、drilling a hole at each end of crack C、slot-welding the crack D、welding a doubler over the crack
A、cylinder compression pressure may not be high enough B、cylinder compression temperature may be too high C、fuel oil injection pressure may not be high enough D、scavenge and purge process is incomplete
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