All you need to do is cut a lemon in half and place each piece on both spikes of copper and zinc and you're good to go.
你需要做的只是将一个柠檬切成两半，一半放在铜钉上，另一半放在锌钉上，这样就可以了！
David Heydon, the boss of Nautilus, says that his firm's underwater samples, which are literally cut and lifted off the sea floor, contain 10% copper.
鹦鹉螺公司老板大卫•海冬说，他们公司开掘并运出海底的水下样品却包含百分之十的铜。
As housing sales fall and developers cut back on new projects, demand for the steel, cement and copper that go into new buildings has weakened.
随着房屋销售的下滑以及开发商纷纷削减新建项目，建筑用钢材、水泥和铜的需求走软。
It could cut aluminum, steel, iron, copper, and Ti-gold sheet as well as other conductive metals.
可高效的切割铝、钢、铁、铜、钛金板及其他导电金属。
"Due to lofty copper prices, many copper users in China are shifting to other relatively cheap metals, such as aluminum and alloy, to cut costs," he said.
“由于铜价高昂，中国许多使用铜的生产商转而使用铝合金等价格相对便宜的金属，”他说。
Owing to their large size and toughness, the copper blocks were hard to cut by using other common methods, and therefore, the explosion cutting has to be adopted.
大型铜块体尺寸大、韧性好，其他方法很难拆分，因此只能采用爆破法将其切割。
Buy some copper screen and cut out pieces to go over all vent openings and the fan exhaust hole.
购买一些编织铜网，割成片状，包裹所有的机箱开口和散热风扇孔。
However, the speed of the rotor rotation speed did not change the high magnetic field, or magnetic line of force will not be able to cut the copper.
不过此转子转动速度没有磁场变换之速度高，否则磁力线将不能为铜棒所切割。
We professionally produce stainless steel cut wire shots, aluminum shots, copper shots and zinc shots ect.
专业出产不锈钢丝切丸、吕丸、铜丸、锌丸等金属磨料。
The present cutting practice was based on the principle of energy-concentrated charge, using linear-shaped charges of different sizes to cut copper blocks with different thickness.
本次实践根据聚能药包原理，采用不同尺寸的线性聚能药包。对不同厚度的铜块体进行切割。
Thus, can cut cutting the copper, stainless steel, aluminum and other non-ferrous metal, and narrow incision.
从而进行切割，可以切割铜，不锈钢，铝等有色金属，并且切口窄。
Looks bright, no rust, bead-like (cut pill, cylindrical-shaped), widely used in copper, aluminum, zinc, stainless steel workpiece surface treatment.
外观光亮、无锈，圆珠状(切丸，圆柱状)，广泛应用于铜、铝、锌、不锈钢等工件的表面处理。
A copper plate. covered with a thin coating of wax, on which lines are cut through the wax exposing the bright surface of the copper for further processing.
在一块涂上薄蜡的铜片，用手工在蜡面进行雕刻，把线条等刻穿蜡层，露出铜墙铁壁的光泽表面作进一步的加工处理。
The development work, structural principle and main properties of the automatic straightening and cut - off machine for copper tubes are stated in this paper.
本文阐述了铜管自动校直切断机的研制过程、结构原理及其主要性能。
Application: mainly applicable to all kinds of copper, iron, aluminum products such as drilling processing, can relapse into cut, accurate positioning and other advantages.
适用范围：主要适用于各种铜、铁、铝等产品钻孔的加工，可反复进割，精确定位等优势。
That changed abruptly 16 during the third quarter, when several of the world's biggest copper miners including BHP Billiton and Freeport reported weak results and cut production guidance for 2017.
但在第三季度情况突然发生变化，当时包括必和必拓（BHPBilliton）和自由港在内的多个全球最大的铜矿发布了疲弱的业绩报告，并削减了2017年的产量指引。
SMOOTH V series cut off copper, aluminium row fracture with no deformation.
字系列，切断铜铝排断口平整，不变形。
What is a copper chisel paper-cut?
什么是铜凿剪纸？
By the analysis of cut piece of billet C12200, a new view is put forward for tube surface bubble of phosphorous copper in the extrusion.
通过对C12200铸锭的切片分析，提出挤压过程含磷类管材表面起泡的新见解。
The equipment is mainly used for automatically straighten round or flat wire, stainless steel wire, galvanized wire, aluminum wire, copper wire, and cut automatically according to the preset length.
该设备主要用于将圆或扁的铁线，不锈钢线，镀锌线，铝线，铜线等自动调直，按照设定长度，自动切断。
Sheet Machinable FPC, PET, PCB, double sided tape, protective film, thin copper and aluminum and other electronic materials, die-cut full cut and a half off.
片材可加工FPC，PET，PCB，双面胶，保护膜，铜铝薄等各种电子材料，冲切全断和半断。
Sheet Machinable FPC, PET, PCB, double sided tape, protective film, thin copper and aluminum and other electronic materials, die-cut full cut and a half off.
片材可加工FPC，PET，PCB，双面胶，保护膜，铜铝薄等各种电子材料，冲切全断和半断。
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