多项选择题
根据《土工试验方法标准》GB/T50123-2019无机土按(?)再进行细分类。 A、粉土 B、巨粒土 C、粗粒土 D、细粒土
问答题 980.34÷605.38=
问答题 addition conclusion authority decisive carve creative appropriate homesick assign outcome You are not supposed to_________your name on a tree in the park.
问答题 调车信号机按其设置形式有 调车信号机.