copper造句
61. Pity she's covered up that copper head.
62. Plastic and rubber won't conduct electricity, but copper will.
63. The devices wound with copper are usually replaced every two-to-five years, depending on which type you have.
64. The heavy boughs and dark leaves of the copper beech that spread over the drive perfectly suited her mood of despair.
65. I dimly remembered having watched the sun set, copper orange over a colourless world.
66. This technique has been used for uranium, copper, fluorine and other relatively soluble elements.
67. This was to provide handsome dividends for the company, but depression for the copper industry as a whole.
68. The nine-second fire was sparked by a breach of the synthetic insulation surrounding 10 hair-thin copper wires within the cord.
69. She pushed back her hair, as bright as copper in the sunshine that slanted through the big bay window.
70. Copper is not usually a natural component of water and is picked up by contact with copper and brass fittings or pipes.
71. Copper Creek Road is straight ahead, but may be closed for mining operations.
72. They consist of a copper core, which carries the signal, surrounded by a braided mesh of fine copper wire.
73. They are extremely heavy and expensive and eventually suffer from corrosion - particularly when used with copper pipe.
74. Release from the reservoir are controlled to keep copper levels downstream at allowable levels.
75. Copper vessels and brass fittings are rapidly attacked under these conditions.
76. His particular joy was the fine copper beech tree which dominated the scene.
77. The burnished copper shone bravely, having only the previous night survived unscathed a particularly concerted attack upon its person.
78. It also warned that exports were still too dependent on copper.
79. Wisps of high grey cloud scarcely moved behind the copper beech.
80. By alloying tin with copper to make bronze we obtain a metal which is much tougher than copper alone.
81. This ore contains substantial volumes of zinc and copper, which are produced as by-products of the more valuable tin.
82. If space is very tight, use flexible copper pipe or plastic pipe for some if not all of the final fittings.
83. On analysis it was found to be composed of 90.26% copper and 9.16% tin, with a loss of 0.13%.
84. Particularly bad contamination with copper can arise from the use of ammonia solutions in vessels exposed to the air.
85. In the Roman Imperial period copper and bronze statues and silver and bronze jewellery were commonly gilded.
86. The darker green hues found in this medieval pottery were produced by using copper and brass filings.
86. Wish you will loveand make progress everyday!
87. Imperceptibly at first, the avarice for which their caste is famous began to shine through like copper beneath worn silver-plating.
88. Leak-Fix seals leaks in tanks made of steel, copper, lead, aluminium and glass fibre.
89. Copper producers were down on a drop in copper prices.
90. She was built to carry dry cargo such as fruit and groceries in crates, aluminium or copper.
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