这距固体循环的原理在大型中间试验装置中得到确认之后不到两年。
It was less than two years after the principle of solid circulation was confirmed in the large-scale pilot plant.
本文介绍的油气集输工艺试验装置，是具有多种功能的中间性质的模拟装置。
The test unit of oil-gas gathering and transferring technology introduced in this paper is a multifunctional intermediate simulator.
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