查询词典 gravel

It can pump sand, gravel, magma pulp and so on.

其性能为抽砂、抽卵石

Filter sand pipe and gravel pack with wire wrapped screen belong to mechanical measures.

复合防砂除了管内砾石充填微裂缝防砂和复膜砂热采绕丝管复合防砂外，还有压裂充填和复合射孔防砂。

The bearing capacity is improved and the settlement is reduced for the pile inserted into sand or gravel layer by...

嵌入砂或砂砾层中的桩基采用桩底灌浆技术可以有效地提高单桩承载力和减小沉降，经济效益明显。

However, in some installations which use shaking screens for size separation , particularly in sand and gravel or dredge plants, vibration may be so severe that conduit can literally be shaken to pieces .

但是，在一些装置使用摇头屏幕大小分离，特别是在沙及砾石或疏通植物，振动可能会严重得使导线可以从字面上不可动摇的成碎片。

It is learned that the city will be blocked in accordance with the combination of thinning approach, strengthen Zhuozhou City, Hebei Province, Sanhe City, such as brothers and city and county links, from "order agriculture" and "Beijing vegetables green channel" model, dredge sand and gravel production from other provinces , transport channels, from the source to curb illegal sand mining activities in the city; At the same time, city, district levels should be taken by way of a joint law enforcement, focus on time to carry out special rectification, and resolutely clamp down on illegal sand mining, illegal mixing station, component plants, to ensure the city's major construction projects, the protection of the capital of the environment.

据了解，城市会被拦截按照间伐相结合的办法，加强涿州市，河北省三河市，如兄弟和市，县的联系，从&订单农业&和&北京蔬菜绿色通道&模式，疏浚沙石生产，其他省，运输渠道，从源头上遏制非法采砂活动的城市；同时，市，区两级应采取的方式，联合执法，重点对时间进行专项整治，坚决取缔非法采砂，非法搅拌站，构件厂，以确保城市的重大建设项目，保护首都的环境。

The column test results show that the cation exchange adsorption mainly manifests the K(superscript +) and Ca(superscript 2+) exchange in three kinds of typical soil medium, and the cation exchange function compares the sandy gravel column and the fine sand column is more remarkable in the silty clay column.

测试结果分析表明，在3种典型土壤介质中，阳离子交换吸附作用主要体现为K与Ca(上标 2+)之间的交换，且粉质粘土柱中阳离子的离子交换作用较砾石含砂柱和细砂柱更为显著。

The column test results show that the cation exchange adsorption mainly manifests the K+and Ca2+ exchange in three kinds of typical soil medium, and the cation exchange function compares the sandy gravel column and the fine sand column is more remarkable in the silty clay column.

测试结果分析表明，在3种典型土壤介质中，阳离子交换吸附作用主要体现为K+与Ca2+之间的交换，且粉质粘土柱中阳离子的离子交换作用较砾石含砂柱和细砂柱更为显著。

Share of gravel and 1 share of peat were the best substrate for root cutting.

激素处理以GGR 200 mg.L－1、根段全部浸泡的效果为最佳。

Cement sand and gravel dam is a new type of dam between concrete-faced rock-fill dam and roller compacted concrete dam.

胶凝砂砾石坝是介于混凝土面板堆石坝和碾压混凝土重力坝之间的一种新坝型。

RBI Grade 81 stabilized layers have been proven to be very durable and wear resistant, and meets the standards required by the Norwegian Public Roads Administration to resist extreme climate and permafrost conditions, and thus the goal of being able to modify a gravel/dirt road to function much like a tar road in all weather conditions can be achieved at a fraction of the conventional cost.

使用RBI 81级产品稳定的基层已被证明具有非常持久、耐磨的特点，满足挪威公路管理局要求的承受极端气候和冻土条件的标准，因而可实现将砾石/泥土道路改造为和沥青道路一样可在任何气候条件下使用的目标，而其成本仅为使用传统修筑方式的一小部分。

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。