The laying of pipelines is a task with high difficulty and high risk.
海底管线铺设是一项高难度、高风险的海上作业。
Except the difficulty and high cost of building the subway, it is superior to the buses in many aspects.
除了建设地铁的难度和高成本外,在许多方面它都优于公共汽车。
Because of the molds, the use of the cutting board makes the cutting of high difficulty and high quality dishes simple and feasible.
使用该板,因为有了模具,把切制高难度高档次菜品变得简单易行。
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