有内胎式轮胎气门是直接做在内胎上的，无内胎式轮胎的气门安装在轮毂上。
On the tire with an inner tube, the valve is mounted on the tube. On the tubeless tire, the valve is mounted on the wheel rim.
上海别克V6发动机配气机构为气门顶置、凸轮轴上置式，以齿形皮带同步传动。
The valve mechanism of the V6engine of passenger car BUICK is overhang valve, overhang camshaft type ad driven synchronized with tooth-shaped belt.
上海别克V6发动机配气机构为气门顶置、凸轮轴上置式，以齿形皮带同步传动。
The valve mechanism of the V6engine of passenger car BUICK is overhang valve, overhang camshaft type ad driven synchronized with tooth-shaped belt.
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