hardpan ['hɑ:dpæn]

hardpan的基本解释

n.

粘土层, 硬质地层, 砂砾层

• Prices have reached (the) hardpan.
• 物价已经降到了最低点。

与hardpan相关的网络例句 [注：此内容来源于网络，仅供参考]

L Hardpan - A dense layer of clay that is impenetrable by roots and water.

l 硬质土层-一种密集的使根部和水都不可以穿过的粘土层。

In these soils, the most important problem is a hardpan, about 30 cm in depth, caused by heavy diskings.

这种土壤最重要的问题是重型园盘耙造成的30厘米深处的硬磐。

Its uninviting surface is marked by mesas and buttes, and barren stretches of parched desert hardpan.

不起眼的表面有著台地与小尖山以及贫脊乾燥的沙质地基。

Soils with clay and hardpan can hold water and expand when they freeze and slide when wet.

土壤黏土、硬土层站得住脚并扩大他们在滑湿、冻结。

And next year — on July 4, perhaps — they intend to take the North American Eagle to the hardpan desert at Black Rock, Nevada, and run it through a measured mile to set a new land speed record of about 1,300 kilometers per hour, 70 kilometers per hour faster than the speed of sound.

而在明年，也许是7月4日，他们打算把这架命名为「北美之鹰」的老战机带到内华达州黑岩硬地沙漠，希望在1实测英里的距离内，创下时速1300公里的陆地速度新纪录，比音速还要快70公里。

与hardpan相关的网络解释 [注：此内容来源于网络，仅供参考]

hardpan：硬盘

hardness scale 硬度标 | hardpan 硬盘 | hardwood forest 阔叶手

hardpan：硬土层

hardness test 硬度试验 | hardpan 硬土层 | hardware 金属构件

hardpan：底价

hardness 硬 | hardpan 底价 | hards 麻屑

hardpan：硬磬

hard grass 硬性禾本科植物 | hardpan 硬磬 | hard seed 硬實;硬粒

calcareous hardpan：石灰性硬磐

calcareous concretion 石灰结核 | calcareous hardpan 石灰性硬磐 | calcareous lithosol 石灰性岩成土