最新托?？荚囬喿x模擬試題及答案精選(編輯修改稿)
2025-08-04 21:01 本頁面
【文章內(nèi)容簡介】 n be weighed to make a textural determination. although sieves work well for silt, sand, and larger particles,they are not appropriate for clay particles. clay is far too small to sieve accurately?！herefore, in soils with a high proportion of clay, the fine particles are measured on the(25) basis of their settling velocity when suspended in water .since clays settle so slowly, they are easily segregated from sand and silt. the water can be drawn off andevaporated, leaving a residue of clay, which can be weighed.23. what does the passage mainly discuss?(a) characteristics of high quality soil(b) particles typically found in most soils(c) how a high clay content affects the texture of soil(d) ways to determine the texture of soil24. the author mentions several representative(a) the range of soil samples(b) the process by which soil is weighed(c) the requirements for an ad
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