弥缝圈、汽车配件、把儿、齿轮等。
事变发生后,明蒙围绕此事,频繁遣使弥缝,力图挽回局面。
Because of this event, Ming dynasty and Mongol both sent emissaries for many times to retrieve the situation.
当化工流程泵输送介质,对于温度和压力不高时,一般选用非金属弥缝垫片;
When the chical process pump transmission medium, the tperature and pressure is not high, the general choice of non-metallic gasket;
当化工流程泵输送介质,对于温度和压力不高时,一般选用非金属弥缝垫片;
When the chical process pump transmission medium, the tperature and pressure is not high, the general choice of non-metallic gasket;
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