three-axle heavy vehicle 三轴重型车辆
three-product heavy-media cyclone 重介三产品旋流器
three-products heavy media cyclone 三产品重介质旋流器
free-flow three-product heavy medium cyclone 无压三产品重介质旋流器
The agency is to design its own heavy lift rocket at a cost of three billion dollars.
VOA: special.2010.04.28
The shield itself, as I've told you is made of a heavy wood, covered by a leather or bronze sheet about three feet across, something in the neighborhood of 16 to 20 pounds worth of shield and gripped as I told you before.
而盾牌,就像我说过的,是由沉重的木材制成,上面包裹有皮革或铜皮,约三英尺宽,大概是十六到二十磅重,就像我刚才所说的,拿起来很费劲
The three-day festival features music by heavy metal, alternative rock and hip-hop bands.
VOA: special.2010.08.02
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