选手要使用现场指定的，由四个和弦构成的和声进行创作不少于四小节四轨的音乐片段，速度不限，风格不限。
The players shall create music segment not less than four sections and four tracks using site-specified, four-chord formed harmonies, at any speed and in any style.
在推力球比赛的极限(略预装)卡车支点站，以防止损坏万向节的一出轨案等。
The truck pivots on a ball thrust race (slightly preloaded) with limit stops to prevent damage to the universal joints etc in the case of a derailment.
杂谈托链轮、支重轮、驱动轮及轨链节等，在长时间的运转过程中，会出现一定程度的磨损。
Entrusted sprocket, supporting wheels, wheel and rail links and so on, in the long running process, there will be a certain degree of wear and tear.
若在部分托链轮和支重轮无法运转的状态下继续使用，则可能导致滚轮磨偏，同时还可能造成轨链节的磨损。
If some care and support sprocket wheels running status can not continue to use, it may cause partial grinding wheel, but also probably caused by the wear track chain.
家俱五金配件有铰链、不锈钢合页、暗铰链、抽屉导轨、三节轨等产品。
Furniture Hardware fittings have hinge, stainless steel hinge, concealed hinges, drawer rails, 3 rails and other products.
家俱五金配件有铰链、不锈钢合页、暗铰链、抽屉导轨、三节轨等产品。
Furniture Hardware fittings have hinge, stainless steel hinge, concealed hinges, drawer rails, 3 rails and other products.
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