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- Adjustable 2-speed transmission set with hardened metal gears gives you great acceleration and top speed! 可调2-高速传输设定与硬化的金属齿轮给您很大的加速度和最高速度！
- Hardened metal is used throughout the drivetrain for reliable performance in all conditions. 硬化的金属是用来在整个传动系统为可靠的性能在所有条件。
- Rotary matched hardened metal punching tools for precisely sized holes can be retrofitted into most web processing machines. 扶轮社与坚硬的金属冲压模具的精确大小的洞可以改装到大多数网络处理设备等。
- The company said in a statement: ‘Rotary matched hardened metal punching tools for precisely sized holes can be retrofitted into most web processing machines. 该公司在一份声明中说： '扶轮社与坚硬的金属冲压模具的精确大小的洞可以改装到大多数网络处理设备等。
- The metal in the mould hardened into shape. 模子里的金属硬化成形。
- Dispersion of forces led up to the defeat. 分散兵力是导致失败的原因。
- Life in the camp had hardened him considerably. 军营生活使他变得坚强多了。
- Harden up a little, we need more speed. 把帆索拉紧一点，我们需要加快速度。
- I do not know why acids eat in metals. 我不知道酸腐蚀金属的原因。
- Dennis is becoming hardened to failure. 丹尼斯对失败变得麻木了。
- He hardened his hold on the door. 他把门抓得更紧。
- Copper and gold are both metals. 铜和金都是金属。
- Hot steel is quenched to harden it. 烧热的钢淬火使它坚硬。
- Metals undergo expansion when heated. 金属加热时会膨胀。
- The varnish takes a few minutes to harden. 清漆几分钟就能变硬。
- It follows that acids eat in metals. 由此可知，各种酸对金属都有腐蚀作用。
- Memory has been shown to reside in some metals. 已经证实，记忆存在于某些金属中。
- Metals expand when they are heated. 金属遇热则膨胀。
- Life in the mountains hardened me. 山里的生活使我坚强起来。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
