dry sand

基本解釋

The present paper summarized the experience on the study of dry-sand EPC process.
總結(jié)了干砂消失模鑄造技術(shù)研制的經(jīng)驗(yàn)；
The requests for dry-sand, vibrating table, structure of negative pressure sanrl box and proceedings to be noticed in casting pro-cesss have been put forward definitely.
結(jié)合工廠多年的生產(chǎn)經(jīng)驗(yàn)，對(duì)于砂性能、振實(shí)臺(tái)和負(fù)壓砂箱的結(jié)構(gòu)以及負(fù)壓澆注過(guò)程中的注意事項(xiàng)提出了明確的要求。
The factors that remarkably affect the permeability of sand were the ratio of course area to pump area, granularity of the dry-sand and their interaction, and their affecting degree minished in order.
顯著影響型砂滲透系數(shù)的因素是通流面積與抽氣面積的比值，型砂粒度以及二者之間的交互作用，其影響程度依次減小。

This was quite easy, because the sand at the bottom of the hole was very soft and fine and dry, like sea-sand.
NPR: Excerpt: 'Five Children and It'