DSCOVR will gather information about a continuing flow of particles from the sun.
“深空气候观测台”将收集有关源源不断的太阳粒子流的信息。
The flow resistance is the basic problem in pipeline hydraulic transport of solid particles.
管道阻力特性研究是管道水力输送固体物料最基本的问题。
What is worse, sand particles may even flow back into the formation to cause damage.
更为严重的是，井底砂粒可能随冲砂液重新返入油层，并对油层造成伤害。
What is worse, sand particles may even flow back into the formation to cause damage.
更为严重的是，井底砂粒可能随冲砂液重新返入油层，并对油层造成伤害。
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