| 单词 | 防锈 |
| 释义 | 〔vanadium〕A bright white, soft, ductile metallic element found in several minerals, notably vanadinite and carnotite, having good structural strength and used in rust-resistant high-speed tools, as a carbon stabilizer in some steels, as a titanium-steel bonding agent, and as a catalyst. Atomic number 23; atomic weight 50.942; melting point 1,890°C; boiling point 3,000°C; specific gravity 6.11; valence 2, 3, 4, 5. See table at element 钒：存在于多种矿物质中，特别是钒铅矿和钒钾钠矿中的一种亮白色、柔软且可延展的金属元素，具有良好的结构强度，用于防锈的高速工具，例如在某些金属中的炭稳定剂，作为钛金属的黏结剂，以及作为催化剂。原子序数23；原子量50.942；熔点1,890°C；沸点3,000°C；比重6.11；原子价2，3，4，5 参见 element〔undercoat〕To apply an undercoat to.给…加内涂层：给…上内层涂料（底部防锈层）〔cadmium〕A soft, bluish-white metallic element occurring primarily in zinc, copper, and lead ores, that is easily cut with a knife and is used in low-friction, fatigue-resistant alloys, solders, dental amalgams, nickel-cadmium storage batteries, nuclear reactor shields, and in rustproof electroplating. Atomic number 48; atomic weight 112.40; melting point 320.9°C; boiling point 765°C; specific gravity 8.65; valence 2. See table at element 镉：一种质软的，蓝白色的金属元素，最初存在于锌矿、铜矿和铅矿之中，这种金属易于用刀切割，用于制造低摩擦阻力和耐疲劳的合金、焊料、牙科用的混合填料、镍镉蓄电池、核反应堆防护层和防锈电镀之中。原子序数48；原子量112.40；熔点320.9°C；沸点765°C；比重8.65；原子价2 参见 element〔undercoat〕A tarlike substance sprayed on the underside of a vehicle to prevent rusting.底部防锈层：喷在交通工具底部以防止生锈的类似柏油的物质 |
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