Various types of chain can be applied by adjusting beltpitch.
用调整网带的节距的方法，就可把各种型式的链条装上去。
2
Exhibit: sand belt, sand paper and abrasive product, diamond sand wheel, Pitch cutting, Black lead cloth, etc.
展品：砂带、纸及及其异型产品，石墨布、脂、瓷砂轮、脂切割片、刚石砂轮等。
3
The practice after the feeding pump of hard pitch controlled by belt changed into frequency control of speed in AISC Chemical General Plant is introduced.