查询词典 gravel

The article analyzes several factors influenced the compaction effect of gravel pebble mixture,and mainly analyzes the influence on the gradation of grain,compaction function,grain breakage and material unevenness,in order to ensure service life and service quality of highways.

对砂砾卵石混合料压实效果的若干影响因素进行了深入剖析，尤其是对颗粒级配、压实功能、颗粒破碎和材料不均匀的影响进行了重点分析，以保证公路的使用寿命及其服务质量。

The stroke reverse circulation drilling machine of CZF2000-1800 type is produced by our company newly to adapt to the demand of percussion drill market due to the development of road and bridge industry, it is specializedly used for pore forming of pebble and gravel stratum and hard stratum.

1800型冲击反循环钻机是我公司最新研制生产的为适应我国路桥事业发展对冲击钻机市场的需求，专门用于卵砾石地层、坚硬地层中成孔的钻机。

The organisation wants to award a prize to cartoons on the theme "sand, pebble and gravel"(industrial materials, extraction and application).

该组织希望奖颁奖，以漫画的关于主题为&砂，卵石及砾石&。

The ZOOMLION KSD25 Dry-Wet Horizontally directional Drill is the first drill which drills through hard rock without a bentonite and mud pump. Its pneumatic percussive technology has not only solved the problem of mud pollution, but also has increased its efficiency 40% higher than a normal drill. Additionally, its cost is also much lower, and therefore, it has been considered as a most efficient solution for complicated stratum (including pebble and gravel, backfill and rock).

中联KSD25干湿两用水平定向钻孔机是我国第一台不使用膨润土和泥浆马达就能在硬岩中钻进并导向的钻机，其国际领先的气动冲击钻机技术不但不存在泥浆污染的问题，而且效率比普通钻机提高40％以上，成本也要低廉得多，被公认为目前对付复杂地层（包括卵砾石、回填土和岩石地层）最为有效的方法。2 s# C J， k5 _% C

Compared with gravitational method, the accuracy of TDR in de- termination of bulk moisture content on the Tibetan Plateau is:± 2.5% for silt and fine grained sand,±3.0% for clay and sandy clay and ±5% for gravel and pebble soils.

经与烘干称重法对比，TDR仪应用在青藏高原上不同融土类所测含水量值的误差范围：粉土和细砂为±2.5％，粘土和亚粘土为±3.0％，砂砾石土和碎石土为±5％。

They build their nests,called redds, in the gravel in the shallow parts of streams.

它们在溪流浅水部分的砾石里搭建它们的巢，也就是&产卵区&。

Imagine a standard square back yard planted in grass; now replace the grass with a meandering wall and a gravel path that leads to a private corner gazebo surrounded by English Privets, and you've transformed your yard into an escape destination.

想象一下，一个标准方后院种植的草，现在取代蜿蜒的墙和石子路的草，为私人角落凉亭由英国Privets包围线索，并且已经变成一个逃避目标的院子。

The loose placers are actually washed together in sands, clay, gravel and other various types of rubble, and those stones that have a high resistance to weathering end up in river beds or valley floors.

松散的砂矿实际上一起洗砂，粘土，砾石和其他各种类型的废墟，那些石头有高耐候最后在河床或谷地。

The loose placers are actually washed together in sands, clay, gravel and other various types of rubble, and those stones that have a high resistance to weathering end up in river beds or valley floors.

松散的砂矿实际上一起洗砂，粘土，砾石和其他各类瓦砾，那些石头有高耐候结束河床或谷底了。

Pour some gravel into the bottom of your pot for drainage.

倒些沙砾在你地里的底部以用来排水。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。