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1·One drum diameter has varied diameters of shaft and central spans so that the designers may have choice.

同一种滚筒直径又有几种不同的轴径和中心跨距供设计者选用。

2·The coal washing plant steam boiler drum diameter is larger than other boiler manufacturers, stable output, high quality steam.

水洗厂燃煤蒸汽锅炉锅筒直径比其他锅炉厂家大，运行稳定出力足，蒸汽品质高。

3·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.

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。

4·The disk type unwinding mechanism has simple structure, small volume, convenient maintenance, safety and reliability, which is also suitable for drum material with large rolling diameter.

该机构结构简单，体积小，维护方便，安全可靠，同时还适应大卷径的卷筒料。

5·The paper transmission drum, a time-diameter paper transmission drum and an imprint drum are connected by a driving gear.

传纸滚筒、倍径传纸滚筒及压印滚筒通过驱动齿轮相联结。

6·This giant (56 meter in diameter) mud brick monument is called Mound I or the Naqqareh Khaneh ( house of the kettle drum ), and the sherds suggest that it is relatively young.

这巨人(56米直径)泥砖纪念碑被称为冢本人或Naq qareh Khaneh(“住宅水壶鼓”)，并推测表明，它是相对年轻的。