以下为句子列表:
英文: Elinvar is a trademark for a kind of nickel-chromium steel used for watch springs because its elasticity is constant over a wide range of temperatures.
中文: 埃林瓦是一种用于手表弹簧的镍铬钢,因其能在很大的温度范围内保持一定的弹性。
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英文: For the oxidase test use a loop or a needle made of platinum-iridium or a glass needle (or a sterile wooden toothpick) but never a nickel-chromium or iron loop (because this give false positive reactions).
中文: 氧化酶试验应使用白金环或针,或玻璃针(或无菌的木制牙签),但不要用镍铬环或金属丝以免引起假阳性。
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