The effect of catalyst circulation rate on operation was also discussed.
还分析了催化剂循环比对生产操作的影响。
Newspaper circulation continued to decline last year, but the rate is slowing, the report said.
据报道：“报纸的发行量去年继续减少，但是减少率降低了。”
This high rate of heat transport is due to the bubble-induced circulation of solids.
这种高传热率是由于气泡所引起的固体颗粒循环所致。
This high rate of heat transport is due to the bubble-induced circulation of solids.
这种高传热率是由于气泡所引起的固体颗粒循环所致。
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