shaft neck damage 轴颈损伤
pitman shaft neck 连杆轴颈
drop-down of mine-shaft neck 井颈下沉
Neck shaft angle 颈干角 ; 股骨颈干角
neck-shaft angle 股骨头倾斜角 ; 颈干角
The carrying ability of the stern tube bearing decreases with the increase of the inclination of the shaft neck.
尾轴承的承载能力随轴颈倾斜率的增大而减小。
And if you have any luck, maybe you'll fall down the elevator shaft and break your neck too.
如果你走运，说不定也会从电梯里掉下去摔断脖子。
Crack in neck of hollow shaft is a very serious malfunction, main cause of the crack include: foundry defect, centralized stress, quality problems of welding and heat treatment.
中空轴轴颈裂纹是水泥磨的严重故障。中空轴轴颈裂纹产生的原因主要有：铸造缺陷，应力集中，焊接和热处理质量问题等。
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