With their enormous size and weight, today's farm machines have significant downsides: they compact the soil, reducing porosity and killing beneficial life, meaning crops don't grow so well.
由于庞大的体积和重量，现在的农业机械有显著的缺点：它们会把土壤压实，降低土壤孔隙度，杀死有益的生命，这意味着农作物不会长得太好。
There is a new blasting technology which utilizes the explosion effect of the explosive to compact the soil to form the underground space with the non-compacted material as the cushion.
一种新型爆破工艺，需要采用不可压缩介质作垫层，利用炸药的爆炸作用对粘土进行挤压，形成地下空间。
Withtheir enormous size and weight, today's farm machines have significantdownside: they compact the soil, reducing porosity and killing beneficial life, meaning crops don't grow so well.
就其超大规模和重量而言，如今的农业器械有巨大的不利之处：它们会压紧泥土，从而减少了泥土间的空隙孔且杀死了有利的生物，这意味着作物不会很好的生长。
With their enormous size and weight, today's farm machines have significant downside: they compact the soil, reducing porosity and killing beneficial life, meaning crops don't grow so well.
译文：就其超大规模和重量而言，如今的农业器械有巨大的不利之处：它们会压紧泥土，从而减少了泥土间的空隙孔且杀死了有利的生物，这意味着作物不会很好的生长。
Subsoil tillage was an effective way to improve and utilize the compact soda-alkaline land with high soil bulk density.
深松措施可作为土壤紧实、容重较高的苏打盐碱土改良与高效利用的有效耕作方式加以实施。
In high slope the pipeline is anchored with sand or soil bags and the upper and lower part of the block is compact solidly.
在大斜坡区段，管线用沙袋或土袋锚固，固定块的上部和下部应压实牢固。
The DTH percussion-compact drilling is a high efficiency technology drilling in soil strata, which use the impact force produced by hammer piston to crush and compact soil.
潜孔锤冲击挤密钻进技术集冲击钻进、振动钻进及空气钻进的优点于一体，钻进效率高，成孔质量好，在土质地层钻进工程中有着广阔的应用前景。
The surface soil property on the seabed northwest area of Wunansha uplift in the South Yellow sea Basin is medium compact silt fine sand and sandy silt, which are usually called ferro plate sand.
南黄海盆地勿南沙隆起西北部海区的海床表层土质为中密实的粉砂质细砂和砂质粉砂，俗称铁板砂。
Caused by the natural and man-made factors, the ground subsidence is the disaster phenomenon of environmental geology with regionally ground level decreasing, which resulted in the compact of soil.
地面沉降是在自然和人为因素作用下，由于地壳表层土体压缩而导致区域性地面标高降低的一种环境地质灾害现象，是一种难以补偿的永久性环境和资源损失。
When said grinding wheel is rotating, the impact block continuously impacts on wheel hub and grinding wheel to compact soil.
碾轮在滚动过程中，冲击块不断对轮毂和碾轮产生冲击，从而将土壤压实。
The results show that the moisture content has little influence on the compaction of coarse-grained soil, so the heavy vibrating compactor should be adopted to compact coarse grained soil.
结果表明，含水量对粗粒土压实影响较小，应采用大吨位的振动压路机对粗粒土进行压实。
The results show that the moisture content has little influence on the compaction of coarse-grained soil, so the heavy vibrating compactor should be adopted to compact coarse grained soil.
结果表明，含水量对粗粒土压实影响较小，应采用大吨位的振动压路机对粗粒土进行压实。
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