The three-phase composition of soil refers to solid phase, liquid phase and gas phase
举一反三
- The hypothetical state of drawing small molecules by software is A: Vacuum gas phase B: Atmospheric liquid phase C: Atmospheric solid phase D: Vacuum solid phase
- According to the state of water in the soil, the liquid phase can be divided into ____, bound water, and free water.
- To be effective, the three phases of the writing process must be performed in sequence, moving from Phase 1 to Phase 2 to Phase 3 in order.
- Which of the following is not a CT phase of COVID-19? A: Early phase B: General phase C: Progressive phase D: Critical phase E: Resolutive phase
- solid phase microextraction（SPME）