本发明提供一种包括球皮和球胆的球技用球的制法。
A producing method of ball for ball game including a ball cover and a bladder is disclosed.
本发明提供了一种可充气的球的球胆，特别是足球的球胆，一种包 括这种球胆的球，以及这种球胆的制造方法。
The invention concerns a bladder for an inflatable ball, in particular a soccer ball, a ball including the bladder, and a manufacturing method for the bladder.
在不同的时间段，测定存放于普通球胆及特制的锡箔袋内的一氧化碳标准气的浓度，来探讨其浓度值与贮存时间的关系。
In order to investigate the variation of the concentration of carbon monoxide with time, we analysed the concentration of carbon monoxide in tinfoil gas collecting bag and ordinary gas collecting bag.
在不同的时间段，测定存放于普通球胆及特制的锡箔袋内的一氧化碳标准气的浓度，来探讨其浓度值与贮存时间的关系。
In order to investigate the variation of the concentration of carbon monoxide with time, we analysed the concentration of carbon monoxide in tinfoil gas collecting bag and ordinary gas collecting bag.
应用推荐