The paper introduces the method the instrument of carrying copper net is made of rubber and the steps that stains the samples using the instrument.

本文介绍了橡胶铜网夹持器的制作方法以及用该装置进行染色的具体步骤。

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The foundation is covered with rusty red steel net and the tower growing above gets its color from the pre-patinated copper.

裙房被生锈的红色钢材覆盖，而塔楼被预生锈的绿铜所覆盖。

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The motors have been redesigned for this latest concept car and rely on a "solid aluminium net structure" in place of the copper windings familiar in electric motor design.

电机已经重新设计了这个最新的概念车，并依靠一个“坚实的铝网结构”代替铜绕组熟悉电机设计。

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The copper net-short position for the managed-money accounts rose to 2, 649 contracts as they cut gross longs and increased gross shorts.

FORBES: FOCUS: Gold, Silver, Palladium See Net Bullish Positions Rise -- CFTC

Non-commercial accounts also whacked copper net-long positions, leaving them net-long 10, 855 contracts after cutting 16, 665 gross longs and 3, 254 gross shorts.

FORBES: FOCUS: Speculators Scurry From Precious, Base Metals - CFTC

The copper net-long position for the managed-money accounts slipped to 27, 345 contracts, as they have trimmed gross longs and hiked gross shorts.

FORBES: Speculators Pile Into Gold Futures, Options -- CFTC