您要查找的是不是：
- Geological Characteristic of Perennial Frozen Ground and Its Influence on the Transmission Line 多年冻土工程地质特性及对送电线路的影响
- perennial frozen ground 多年冻土
- ENGINEERING GEOLOGICAI IN PERENNIALLY FROZEN GROUND OF QINGZANG RAILWAY 青藏铁路多年冻土工程地质工作综述
- In the heat the frozen ground began to soften. 冰冻的地面受热后开始融化。
- Snow soon blanketed the frozen ground. 冻土上很快就形成了一层厚厚的积雪。
- The frozen ground was difficult to dig. 冻土不好挖。
- It took up the whole afternoon to pick up the frozen ground. 我们花了一下午的时间刨冰冻的地面。
- perennially frozen ground 长期冻土
- The frozen ground will have to be picked up by hand before machine digging can begin. 这冻土必须挖过后才能用掘土机掘土。
- The steel pipe crosses windswept plains and endless miles of delicate tundra that tops the frozen ground. 这个钢质管道穿过强风不断的草原和无边无尽的覆盖于冻土之上的苔原。
- Thrawing frozen ground is the key to alluvial gold mining in Permafrost horizon. 多年冻土砂金矿的开采,解冻是关健。
- If the permafrost melts, prodigious amounts of trapped methane gas will burp out of the once frozen ground. 二是暖化到什麽程度时，会使北极的多年冻土融化？
- The steel pipe crosses windswept plainsendless miles of delicate tundra that tops the frozen ground. 钢质管道穿过强风的草原和无边无尽的覆盖于冻土之上的苔原。
- The distributing of frozen ground is effected by litholo gy,landform,latitude and alritude. 岩性、地形、纬度、高度对冻土分布产生影响。
- It is shown from the results that seasonally frozen ground evidently influences site dynamical characteristics and seismic security of tank. 在非冻结场地上该储罐在多遇地震和罕遇地震情况下都是安全的；
- In seasonally frozen ground regions as well as permafrost regions,active layer is the most active terrane in terms of thermodynamics. 活动层夏季融化、冬季冻结的近地表土(岩)层,是冻土地区热力动态最活跃的岩层,在冻土研究中有着重要意义。
- It has been proven that this soil can bring about better results in the thermal insulation for frozen ground base and frozen heaving resis... 初步证明,轻质土在冻土地基的隔热保温与台背填土的防冻胀方面效果比较明显。
- Because of unique climatic condition and geological condition in perennially frozen soil zone, structural design of asphalt pavement in this area has its particularity. 多年冻土地区独特的气候条件和地质条件决定了该地区沥青路面结构设计的特殊性。
- At present, the study on mechanical behavior of graded broken stone is very limited and there is no any study of its application especially in perennially frozen soil zone. 目前，针对级配碎石力学性能研究较少，在多年冻土地区的应用研究还是空白。
- Scattered over the snow-covered, frozen ground and swamp were bushes stabbing their way up through the drifts like black pockmarks on the face of the bleak prairie. 在雪盖的冻土地和沼泽上，稀疏的灌木丛刺破积雪，星罗棋布地、黑斑斑地布满荒原。
