Crankshaft is a key part of Press Machine.
曲轴是曲柄压力机的关键零件。
Crankshaft is a very important component of large Marine engine and its key part is crank.
船用曲轴是大型船用发动机的重要部件，而曲拐是曲轴的关键部分。
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。
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