soak time造句怎么写
- 造句
- 关注:1.05W次
Rational soak time is: steam cavity of oil reservoir disappeared, decreasing speed is stable in the temperature field, and decline degree of pressure is stable.
Methods: Use orthogonal test, act the swimming ability, soak time, decoct extraction time as changing factor, select L9 (34) table to conduct test.
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