单词 | 焊料 |
释义 | 〔solder〕Any of various fusible alloys, usually tin and lead, used to join metallic parts.焊料:一种可熔合的合金,通常是锡和铅的合金,用来连接金属部件〔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〔wipe〕To form (a joint) in plumbing by spreading solder with a piece of cloth or leather.拭接:在管道工作时用一块布或皮来洒焊料来形成(接头)〔bead〕A line of continuously-applied ductile material, such as solder or caulking compound.焊料:可延伸、拉长的金属线,尤指焊料或粘性添充物〔run〕A hot flame will make the solder run.热的火焰使焊料融化〔zinc〕A bluish-white, lustrous metallic element that is brittle at room temperature but malleable with heating. It is used to form a wide variety of alloys including brass, bronze, various solders, and nickel silver, in galvanizing iron and other metals, for electric fuses, anodes, and meter cases, and in roofing, gutters, and various household objects. Atomic number 30; atomic weight 65.37; melting point 419.4°C; boiling point 907°C; specific gravity 7.133 (25°C); valence 2. See table at element 锌:一种蓝白色带光泽的金属元素,室温下易碎,但加热后可展延。用于制造各种合金,包括黄铜、青铜、各种焊料和镍银,以及给铁和其它金属镀锌,还用于电保险丝、阳极和仪表,以及屋面材料、檐槽和各种家庭用具。原子序数30;原子量65.37;熔点419.4°C;沸点907°C;比重7.133(在25°C时);化合价2 参见 element〔lead〕Symbol Pb A soft, malleable, ductile, bluish-white, dense metallic element, extracted chiefly from galena and used in containers and pipes for corrosives, solder and type metal, bullets, radiation shielding, paints, and antiknock compounds. Atomic number 82; atomic weight 207.19; melting point 327.5°C; boiling point 1,744°C; specific gravity 11.35; valence 2, 4. See table at element 符号 Pb 铅:一种柔软、有延展性和可锻性的,蓝白色高密度金属元素,主要从方铅矿中提取,用于集装箱、耐腐蚀管道、焊料和字铅、子弹、放射性防护屏、涂料及抗爆化合物。原子序数82;原子量207.19;熔点327.5°C;沸点1,744°C;比重11.35;化合价2或4 参见 element |
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