According to EJ/T 586-91 standard and the customer technique request, we carry on physical characteristic test to the big area of gas-flow proportional counter produced by ourself.
按照EJ／T 586-91标准和客户合同技术要求，对我们自主生产的大面积流气式正比计数管进行了物理性能测试。
The compound tray has no down comer, gas and liquid counter flow through the holes of on the tray.
复合塔板不设降液管，气液同时逆流穿过筛孔。
Blast furnace is a complex metallurgical reactor with gas-solid counter flow.
高炉是一个复杂的气固向流反应器。
Blast furnace is a complex metallurgical reactor with gas-solid counter flow.
高炉是一个复杂的气固向流反应器。
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