Thirdly, several optional new types of ferryboats are designed to meet the traffic features and special demands of navigation route of the Ya-Bai Sea Route.

第三，按照鸭—白航线的营运特点和航道的特殊要求，设计几种新建车客渡的船型，以供备选。

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This machine which is the nice machine for your testing department has the function with optional double-edged pressure, adjustable speed, adjustable route and settable number of stop bit.

该机设双头压力可配选、速度可调、行程可调、停止数可设等功能是贵公司测试部门的“良”机。

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