通道制(又称“推荐制”)，是指由证券监管部门确定各家综合类券商所拥有的发股通道数量、券商按照发行1家再上报1家的程序来推荐发股公司的制度。
详细介绍了黄海牌大客车荧光灯通道灯用逆变器的工作原理， 制作逆变器时各元器件的选择及变压器的绕制方法。
This paper introduces the working principle of reverser for the fluorescent lamp passage lamp of Huanghai Brand passenger car, the selection of every component and the coiling method of transformer.
本实用新型公开了一种转鼓式硫磺结片机，它由焊制而成的转鼓、冷却水通道、硫磺液面控制器、排气罩、液硫锅、刮刀组成。
The utility model discloses a rotary drum type sulfur flaker, comprising a drum, a cooling water passage, a sulfur level controller, an air exhausting hood, a liquor sulfur pot and a shaver welded.
应用推荐