1.
Anything written with a soft pencil smears easily.
用软铅笔写的东西容易模糊。
2.
Anything written with a soft pencil smears easily
用软铅笔写成的东西容易污成一片。
3.
Lead is one of the softer metals.
铅是一种较软的金属
4.
soft blue-gray mineral; lead sulfide; a major source of lead.
一种软质的兰灰色矿物，硫化铅，是铅的主要来源。
5.
The Control Software developing of Lead ration pouring Microcomputer control System using weightlessness method
失重法铅锭定量浇铸系统软件设计
6.
a pencil of soft slate (or soapstone) used for writing on a slate.
用来在石板上书写的软岩（或皂石）铅笔。
7.
The Study of Sn-Ag and Sn-Zn Multi-Composition System Lead-Free Solder Alloys;
Sn-Ag和Sn-Zn系多组元无铅软钎料研究
8.
Investigations of Preparating Lead-sulfate and Mangano-manganic-oxide from Galena Concentrate and Pyrolusit;
从方铅矿精矿和软锰矿直接制备硫酸铅和四氧化三锰材料的研究
9.
The Experimental Study on Seismic Beheavior of Shear Wall with Vertical Steel and Lead Energy Dissipation Band;
带竖向软钢—铅耗能带剪力墙抗震性能试验研究
10.
Experimental study on an organic-metal soldering flux with lead-free and low temperature for aluminum soldering
有机金属型铝用无铅低温软钎剂的试验
11.
His arms and hands suddenly became soft and paralyzed, and he felt a lead like weight pressing on his shoulders. The pain in his muscles was unbearable.
两条手臂突然瘫软了，他感到肩头上沉重如铅，酸疼难忍。
12.
She made swift marks in soft red pencil, giving the strips to her assistant to splice and file.
她把一段段片头递给她的助手拼接时，用软红铅笔匆匆作上记号。
13.
High-power High-frequency Lead-acid Battery Charging Power Based on Soft-switching Technology;
基于软开关技术的大功率高频铅酸蓄电池充电电源
14.
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。
15.
galena [lead sulphide]
方铅矿〔铅硫化物〕
16.
although lead is one of the heaviest of the metals, it is nevertheless soft enough to be cut with a knife. This, and its low melting point, makes it easy to be worked.
虽然铅是最重的金属之一，但它却很软，用小刀即可切削，而且溶点也较低，这些都有利于加工。
17.
a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite.
一种软质的银白色有毒金属元素，用于钢合金，存在于许多复合矿物中，包括钒钾铀矿和钒铅矿。
18.
gelatin, unhardened, worked (excl. printing type and copying pastes with a basis of gelatin, and rectangular sheets)
软质动物胶,已加工（不包括以动物胶为底子的铅字和复制膏及矩形薄片）