气缸盖螺栓 meaning in Chinese

bolt cylinder head
cylinder cover bolt

Internal combustion engines . cylinder head bolts . specifications
内燃机.气缸盖螺栓.技术条件
The key position bolt of the engine include connecting rod , crankshaft , main bearing , cylinder head , flywheel and shock absorber bolt , all of which belong to bolt fastening
发动机关键工位螺栓包括连杆螺栓、曲轴螺栓、主轴承盖螺栓、气缸盖螺栓、飞轮螺栓和减振器螺栓等均属螺纹联接。