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- dense weak firing burner 浓淡燃烧器
- When the water is full,the BWF should be stopped immediately, then to weak firing and open blowdown and drain valves till the water level returns to normal. 满水后应减少给水或及时排水，立即停止锅炉给水，并减弱燃烧，开启排污阀及流水阀，直到水位恢复正常后才关闭。
- Soft and clay Sand and gravel up to very dense Weak rock 硬塑粘土、砂岩致密卵砾石层强风化岩土和复杂地层
- The spirit is willing but the flesh is weak. 心有余而力不足。
- He thinks of new york as a den of iniquity. 他认为纽约是个藏污纳垢之处。
- He has made his house a den of thieves. 他把自己的家变成了一个贼窝。
- The bears den up together during the winter. 冬天熊一起在洞穴里冬眠。
- The liner ran down a fishing-boat during the dense fog. 班轮在浓雾中撞沉了一只渔船。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- He took out a fire insurance policy for his house. 他为自己的房子办理了一份火险保险单。
- He thought of New York as a den of iniquity. 他认为纽约是个藏污纳垢之处。
- Traffic was interrupted by a dense fog. 交通因浓雾而受阻。
- The bar in the slum is a den of iniquity. 这个贫民窟里的小酒吧是一个充满罪恶的场所。
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- Cartridges are ejected from the gun after firing. 开枪后子弹从枪膛里弹出去。
- They hewed their way through the dense jungle. 他们在浓密的丛林里开辟出一条路来。
- You must be weak in the head if you believe that. 你相信那件事可就太傻了。
- The police tracked the thieves to their den. 警察跟踪小偷，直到他们的老窝。
- He cannot run because he has a weak heart. 他有心脏病，不能跑。
- The engine is only firing on three cylinders. 这发动机只有三个汽缸工作。
