Note: Special specifications and twist can be stipulated in contracts. Appearance quality. Inorganic paper ropes looks close and tidy from outside.
注：特殊规格及捻度可在供需合同中规定。外观质量。无机纸绳外观紧密整齐。
He made paper with bark, ropes, rags and so on.
他用树皮、绳子、破布等造纸。
The Paper deduces the calculating formula for interference force between hoisting ropes in double-layer winding and gives the calculating results of an example.
推导出双层缠绕时提升钢丝绳咬绳力的计算公式，给出一个实例计算结果。
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