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- hard lead alloy 硬铅合金
- 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。
- 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。
- It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
- 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。
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- Lead and Lead Alloy Strip, Sheet and Plate Products 铅和铅合金带材、薄板和中厚板产品
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Lead and lead alloy tubes for common industries 普通工业用铅和铅合金管
- He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- 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。
