other characteristics of the football industry 其它足球工业的特色 pitch maintenance 场地维护 go on to the next stage 进入下一阶段 ..
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The trainees also go to college one day a week where they study other characteristics of the football industry such as pitch maintenance and office administration.
这些练习生还得每周上一天大学，在大学里他们学习诸如足球场的养护以及办公室管理等足球行业的特性。
The modified rubber of the invention can effectively improve the property of pitch, is suitable for roadway paving, and has long service life and can reduce the sequent maintenance charges.
本发明中的新型改性橡胶，可有效改善沥青的性能，适合铺设道路路面，使用寿命长，减少了后续的维护费用。
This tester is suitable to measure accuracies of pitch deviation with inside and outside straight helical circular gear among seventh degree. Easy to operate and maintenance.
适用于检查7级或低于7级精度的内外齿合直齿与斜齿圆柱齿轮的周节偏差。操作简便，易于维修，可供各工厂计量室及车间使用。
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