【多选题】并联管路具有以下特点( )。
D.
单位质量流体流经主管的阻力损失等于各支管的阻力损失之和
【单选题】In this passage, what does the term 'coalescence' refer to?
A.
The gathering. of small clouds to form. large, clouds.
B.
The growth of droplets from small to big.
C.
The fall of raindrops and other precipitation
D.
The movement of dust particles in the sunlight.
【简答题】How does noctilucent cloud come into being ? What does this special cloud do at a high altitude of the air ?
【简答题】What does On cloud nine mean ?(中文回答)
【单选题】What does the underlined word 'rival' in Para.6 mean?
【单选题】What does the "wistful sadness" refer to in "A Little Cloud"?
【单选题】What does 'New Zealand' mean in Maori?
B.
The land of the long white cloud.