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- We have developed stable sources of supply for non-ferrous and ferrous ores, concentrates and refined metals backed up by long term contracts with major metal suppliers and mining companies. 在貨源方面，我們的有色和黑色金屬礦、精礦和精煉金屬有穩定的來(lái)源，托克上海與國內主要金屬供應商和礦業(yè)公司都簽訂了長(cháng)期協(xié)議。
- She knows why the metal is the good conductor. 她知道金屬為什么是好的導體。
- Can I fasten these metal plates with rivets? 我可以用鉚釘把這些金屬板固定在一起嗎？
- You need a strong adhesive to bond wood to metal. 需要強力膠才能把木料粘在金屬上。
- The car was now just a pile of twisted metal. 那輛汽車(chē)已經(jīng)成了一堆壓縮的廢鐵了。
- The metal basin clattered down the stone stairs. 金屬盆子沿著(zhù)石階滾了下去，發(fā)出咣啷聲。
- Aluminum is a kind of light silvery metal. 鋁是一種輕薄并呈銀色的金屬。
- The aeroplane wing showed signs of metal fatigue. 機翼顯出有金屬疲勞的現象。
- Molten metal is poured back into the moulds. 已熔的金屬被倒回注入到鑄模里。
- The metal frame tends to twist under pressure. 這種金屬框受壓後容易變形。
- The ship was broken up for scrap metal. 這艘船拆毀了當廢鐵用。
- Being heated, the metal is rapidly melting. 由于受熱，金屬在迅速熔化。
- The metal has corroded (away) because of rust. 該金屬已銹蝕。
- back seal 上密封
- You need a powerful saw to cut through metal. 切割金屬需用強勁的鋸。
- The hot metal contracts as it cools (down). 熱的金屬一冷(下來(lái))就收縮。
- One of several metal strips forming a leaf spring. 簧片構成片簧的幾個(gè)金屬片中的一個(gè)
- The metal is fretted with the acid. 金屬被酸腐蝕。
- The acid has eaten through the metal cover. 酸已把金屬蓋子蝕穿了。
- The frame of the umbrella is made of metal. 傘的骨架是金屬制的。
