如何使用 "filament" 造句
- 1. A good vacuum allowed the filament to glow without catching fire .
- 在一个好的真空环境中，灯丝能够持续发光而不着火燃烧。
- 2. Swan experimented with a filament of carbonized paper , but it burned out quickly .
- 斯万试验了用碳化纸作灯丝，但它很快就烧断了。
- 3. They could refuse to light up for no apparent reason , because of some infinitesimal rupture in the filament .
- 由于灯丝里极其微小的破裂，它们可以没有明显理由地拒绝点亮。
- 4. The projection bulbs used in cinemas operate at just 50 c below their filament 's melting point and have to be changed every 50 hours or so .
- 影院里的投影仪运作时的温度刚好比其灯丝材料的熔点低50摄氏度，因此使用时间达到50个小时左右时，投影仪的灯泡就需要更换。
- 5. Old-style filament light bulbs have been banned from shops across the eu from today in favour of more energy-efficient versions but is the new technology bad for your health ?
- 自今天起，为实施提高能源效率的方案，旧式的灯丝灯泡已在全欧盟的商店被禁止销售，不过这项新技术会对健康不利吗？