No black smoke escapes to help achievement of environmental protection.
不冒黑烟，有利于环保达标。
Ten minutes later the steamer is under way again, with no flag on the jack-staff and no black smoke issuing from the chimneys.
十分钟之后，这条蒸汽船又上路了，船头旗杆上的旗帜消失了，那两个烟囱冒出来的黑烟也远去了。
Environmental protection: used imported burning machine to ensure burn completely, no black smoke, less pollution and low noise.
环保：采用进口燃烧机，燃烧彻底，无黑烟，污染小，噪声小。
Pure wool when burning, smoke, no flame blister, smelly, ash is glossy black solid, with a broken finger gently press it.
纯毛燃烧时无火焰，冒烟、起泡、有臭味，灰烬多呈有光泽的黑色固体，用手指轻轻一压就碎。
If there is no winner, they are burnt with a chemical that gives off black smoke, telling the crowd waiting in Saint Peter's Square that a new Pope has not yet been selected.
如果没有胜者产生，他们会焚烧化学品散发出黑烟，告诉等在圣彼得广场观众新教皇尚未选定。
Factories are no longer allowed to pollute the air with black smoke.
不再允许工厂的黑烟污染空气了。
Factories are no longer allowed to pollute the air with black smoke.
不再允许工厂的黑烟污染空气了。
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