孔轴 meaning in Chinese

lochachse hole axis

Discuss of thrust top hole and shaft conjugation criterion
浅议推力头孔轴配合标准
Limits and fits tolerance zones for holes and shafts size up to 18mm
极限与配合尺寸至18mm孔轴公差带
Fire fighting equipment ; fixing for projectors , boring pivot , joint
消防设备.喷射器带孔轴接头的安装
Limits and fits tables of standard tolerance grades and limit deviations for holes and shafts
极限与配合标准公差等级和孔轴的极限偏差表
Railway transport equipment . unbored axles with grooved screw - ends . grooved screw - ends
铁路运输设备.带开槽螺纹端头的无孔轴.开槽螺纹端头

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