At the same time, process of urbanization unceasingly quickened, reaching 72.7% at present. Zhujiang Delta has become a zone of city group in which multiple industrial belts are located together.
与此同时，城市化进程不断加大，目前城市化率已达72.7%，珠江三角洲已形成由多个城市组成的，多元化产业带相互维系的城市群落。
Multiple conveyor belts are equipped with gears and rack units which can quickly adjust the left and right positions of the belt.
多条输送皮带都装有齿轮和齿条装置，可快速调整皮带的左右位置。
This may be profiles of tire surfaces and technical products of the rubber industry such as the profile of single or multiple V-belts or toothed belts.
外形可以是轮胎表面或者橡胶工业的技术产品，比如单层或多层v -形带、齿形带等。
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