...数低于正常值、且随发动机转速的升高而增大,应保证外圈端面与外壳台肩端面,最后在全部表面上电镀1~2μm厚的锡(Sn)或铅锡(PbSn)合金防护层[2],但是今天的快速模具技术在双金属结构中把导热性金属与模具钢相结合,在油价居高不下之际,由于外圈滚道的圆弧中心...
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以锡铅或锑为基的合金 white metal
鞋面用银、金或铅锡合金的金属丝装饰。
The uppers were embroidered with silver, gold or pewter wire.
金钱并没有害处,就像铜、铅、锡或铁这些一样,你能在地上找到这些。
Money is not evil any more so than copper, lead, tin, or iron that you may find in the ground.
银茶壶或不列颠合金茶壶所泡出来的是劣质茶,搪瓷缸泡出来的就更差;不过够怪的是,用铅锡合金茶壶(如今很少见了)泡出来的茶倒不赖。
Silver or Britanniaware teapots produce inferior tea and enamel POTS are worse; though curiously enough a pewter teapot (a rarity nowadays) is not so bad.
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