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- To produce satisfactory lead parts, the lead alloys should meet certain material specifications. 为能生产合格的铅零件,铅合金必须符合一定的材料规格。
- Lead and lead alloys - Lead alloys ingots for electric cable sheathing and for sleeves. 铅及铅合金。电缆护套和套筒用铅合金锭。
- The paper introduces ingredients of waste lead accumulator and effective way of produceing lead alloys and lead salt. 本文介绍了废铅蓄电池的组成和用以制取铅合金及铅盐的有效方法。
- Lead alloys as solder for transducers used in high-powered (designated to operate for several hours at acoustic power levels of 125 dB SPL and above) loudspeakers. 用作大功率扬声器(用在长时间操作125分贝以上的音响系统)的传感器焊料中的铅合金。
- Lead alloys as solder for transducers used in high-powered (designated to operate for seeral hours at acoustic power leels of 125 dB SPL and aboe) loudspeakers. 用作高性能(长时间在125分贝或以上)扬声器的传感器中焊料的铅合金;
- Therefore,the quick and accurate determination of copper,silver,arsenic in lead and lead alloys was realized with the RSD of 0.34%-0.49%. The recoveries of Cu,Ag and As were 99.2%-116.7%,93.3%-101.1% and(98.3%)-116.0% respectively. 该法测定速度快;测量结果的相对标准偏差为0.;34%25~0
- The sodium silicate makes the cork stick to the mold surface and also helps to withstand the charring action of the molten lead alloy. 硅酸钠能使软木粉粘结在模具表面,而且还有助于软木粉耐受熔融铅合金的碳化作用。
- Lead and lead alloys - Rolled lead sheet for general purposes 铅和铅合金。通用轧制铅薄板
- Type A small, square or rectangular piece of lead alloy or wood, having on its top surface a raised and reversed letter or other character. 是一长方柱形金属或木块,它的顶部有着凸起的反向字,字母或其他符号。
- Type: A small, square or rectangular piece of lead alloy or wood, having on its top surface a raised and reversed letter or other character. 活字:是一长方柱形金属或木块;它的顶部有着凸起的反向字;字母或其他符号.
- The lanthanon lead alloy grids have good corrosion resistance ,it meets the require-ments of float charge and deep cycle use. 安全可靠:采用独特设计,无污染,无腐蚀,防酸,隔爆,抗变形能力强,安全性能优越;
- Electrotype: A duplicate relief printing plate made electrolytically by depositing copper on a wax mould taken from an original plate or type and backing it with a lead alloy. 电铸版:是一种复制凸版式。先用蜡在原身版式或字版上套出铸模,把铜用电解法沉积于蜡铸上,然后用铅合金衬背而成。
- The horse forged ahead the lead in the homestretch. 那匹马在最后阶段突然加速跑到前面。
- Shirley will try out for the lead in the play. 雪莉将参加该剧主角的选拔演出。
- Excessive patriotism can lead to xenophobia. 爱国主义过了头即可导致仇视一切外国人。
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- Graphite is used in making lead pencils. 石墨常被用来做成铅笔。
- Lead will fuse at quite a low temperature. 铅会在相当低的温度下熔化。
- The team recovered its lead in the second half. 该队在下半场重新领先。
- No road of flowers lead to glory. 没有一条通往光荣的道路是铺满鲜花的。