This valve is usually used in the ventilation ducts to control the wind-conditioning or regulating emissions from coal cinder flows.
此阀门一般使用于通风管道内控制风力调节，或者是煤渣流量排放调节。But he took off his sweater and they began jogging slowly around the cinder track.
不过，他还是脱了厚毛衣，两人开始沿煤渣跑道慢慢地晃着跑起来。The front porch steps were missing, replaced by a few cinder blocks and planks.
前面门廊处的台阶不见了，眼下用一些煤渣块和木板将就着。Some cinder block walls appeared to have collapsed and most windows were shattered in the once gleaming residential block.
在这个曾经一度光鲜亮丽的居民区，一些煤渣墙看来已经倒塌，大多数窗户已经破损。The hands of the beggar were so dirty as if he had just muddled with cinders.
乞丐的手，脏到不能再脏，黑得像刚捡完煤渣。At the time of the USSR's collapse he had 30 employees in his small firm, which produced cinder blocks and was expanding rapidly.
到苏联解体时，他生产煤渣转的小型企业已经拥有三十名雇员，并正在迅速扩大。The problem of methane or coal dust in a mine's air is relatively easy to solve.
沼气或者煤渣的问题解决起来相对容易。Open pile of coal, coal cinder and so easy to produce dust of the items, must take effective measures to prevent and control pollution.
煤炭，煤渣等易产生粉尘的项目公开赛桩，必须采取有效措施，防止和控制污染。This was what the residents use for a stove. The fuel comprised coal bits as well as other bits of wood and combustible materials.
这是此地居民普遍使用的灶台，里面的燃料除了煤渣还有就是捡来的碎木片和一些可燃物。