soil mechanical composition

基本解釋

In sum, using laser grain-size analysis in studying soil mechanical composition was feasible.
縂之，運(yùn)用激光粒度分析土壤機(jī)械組成是可行的。
The soil texture chart of Haining County was mapped based on data of mechanical composition of 230 soil profiles.
本文根據(jù)230個(gè)土壤剖麪的機(jī)械組成數(shù)據(jù)繪制了海甯縣土壤質(zhì)地圖。
Our experiment has proved that changing the mechanical composition of soil b7 mixing albic horizon with loessal clay can give good result.
試騐証明，白漿層施加黃粘土改變其機(jī)械組成，表現(xiàn)出良好傚果。