Humble
发表于 2025-3-28 17:56:34
http://reply.papertrans.cn/19/1896/189595/189595_41.png
观察
发表于 2025-3-28 20:53:27
http://reply.papertrans.cn/19/1896/189595/189595_42.png
gorgeous
发表于 2025-3-28 23:27:02
Boiler Types,hstand the steam pressure needed in a works, and can be very dangerous if not correctly operated and maintained. An economiser, air heater, or superheater fitted to the boiler will enable even more of the heat liberated from the fuel to be used. Superheaters increase the temperature of steam and are
外表读作
发表于 2025-3-29 03:37:09
http://reply.papertrans.cn/19/1896/189595/189595_44.png
Highbrow
发表于 2025-3-29 09:15:34
Pulverised Fuel,grade of PF should have particles of not greater than 1/200″ (0.13 mm) and between 75% and 85% should pass through a 200 BS sieve. The finely-ground fuel is burned at a nozzle or jet in a similar way to gas or liquid fuel.
JAUNT
发表于 2025-3-29 11:28:55
http://reply.papertrans.cn/19/1896/189595/189595_46.png
自传
发表于 2025-3-29 15:37:52
http://reply.papertrans.cn/19/1896/189595/189595_47.png
葡萄糖
发表于 2025-3-29 20:54:59
http://reply.papertrans.cn/19/1896/189595/189595_48.png
V洗浴
发表于 2025-3-30 00:46:14
http://reply.papertrans.cn/19/1896/189595/189595_49.png
periodontitis
发表于 2025-3-30 06:55:31
10楼