sand and gravel extraction

基本解釋

• [土木建築工程]砂石精選

英漢例句

雙語例句

• Besides the storm tide impact, the main causes for coastal erosion are due to the continued decrease of material supply and manual extraction of sand and gravel.
  海岸侵蝕的原因除風(fēng)暴潮影響外，主要是海岸帶物質(zhì)補(bǔ)給來源持續(xù)減少和人工採(cǎi)挖砂石。
  journal.geomech.ac.cn
• The variations of flow pattern cause headwater erosion, and the sand gravel extraction will result in comprehensive adjustment of riverbed , affecting riverbed stability.
  水流流態(tài)變化引起溯源沖刷，進(jìn)而導(dǎo)致河牀全麪調(diào)整，影響河牀穩(wěn)定。

權(quán)威例句

• Major activities in the area are agriculture, forest management, sand and gravel extraction, industry (diverse types), and ecotourism.
  UNESCO: EDUCATION

• sand and gravel extraction更多例句

專業(yè)釋義

土木建築工程

• 砂石精選