
形状和位置公差未注公差值
Geometrical tolerancing-Geometrical tolerance for features without individual toleranee indications
Geometrical tolerancing-Geometrical tolerance for features without individual toleranee indications
Taper pins with internal thread
The interference-fit threads
Casting magnesium alloys
Casting copper and copper alloys
Casting zinc alloys
Cast bearing alloy
Casting aluminum alloy
Taper pins
Seamless aluminium alloy gas cylinders