指出每种绕带滚筒直径均对应一个最佳钢带厚度，不同直径的滚筒应卷绕厚度最佳的钢带，以获得最大的举液高度。
It is pointed out that each belt drum diameter is corresponding to an optimum belt thickness, and steel belt with optimum thickness should be coiled to obtain the maximum fluid lift.
通过溯源，该仪器测量的最大直径、最小直径、高度（全深）、全深比等数据已溯源至深圳市计量检定站直至国家基准。
The value of maximum diameter, minimum diameter, height percentage measured by the instrument are traceable to Shenzhen Calibration Station of AQSIQ and national measurement standards.
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