Continuous disproportionate growth of Gubei fault formed the palaeogeomorphology of Gubei slope belt with groove alternating with roof and with abrupt and gentle change.
孤北断层持续不均衡发育形成孤北斜坡带沟梁相间、陡缓变化的古地貌，古地貌控制了隐蔽圈闭的平面分布。
By modifying governor characteristic curve and the edges of helix and vertical groove in plunger, as well as adjusting the length of idling spring, the fault is eliminated.
通过修改调速特性曲线、改进喷油泵柱塞的结构和调整怠速弹簧长度消除了故障。
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