[名词解释] 泥炭土(peat soils)
[名词解释] 潜育土(gley soils)
[名词解释] 冲积土(alluvial soils)
[名词解释] 粗骨土(skeleton soils)
[填空题] 军用直埋光缆线路敷设时的埋深标准:普通土及硬土为()、半石质为()、全石质为()。
[单选题]石质、半石质光缆沟埋放光缆前应先垫上()厘米细土或沙土。A . 5B . 10C . 15D . 20
[名词解释] 碱土(solonetz soils)
[名词解释] 盐土(solonchak soils)
[主观题]非地带性土壤可分为冲积土、石质土和粗骨土、风沙土和________。
[单选题]Thiscropdoesnotdowellinsoils___________theoneforwhichithasbeenspeciallydeveloped.A.)outsideB)otherthanC)beyondD)ratherthan