1·Combinatorial Methods of simulation and optimization can be used to research the transportation system in coal wharf with their merits both in simulation and in optimization.
模拟与优化组合方法能结合模拟和优化两种方法的长处，更好地研究具有随机因素影响的运输网络系统。
2·This machine is mainly applicable to weave multi-layer true selvedge fabrics, especially to weave 4 layers grade 6-8 integral core for fire retardant conveyor used in the coal mine or at the wharf.
本机主要适用于多层光边织物的织造，特别适用于织造4层6 - 8级煤矿井下及码头阻燃输送带整体带芯。