Applied to all kinds of farm and new rural construction project engineering, oil field gas, coad bed gas power generation project.
应用于各类养殖场和新农村建设沼气发电工程;油田伴生气、煤层气发电工程。
There is no cure for COAD . Medical therapy can relieve symptoms only.
慢性阻塞性肺病不能根治,药物疗程可以舒缓症状。
COAD commonly results from chronic smoking. There is no cure for COAD. Medical therapy can relieve symptoms only.
慢性阻塞性肺病主要因长期吸烟所致。慢性阻塞性肺病不能根治,药物疗程可以舒缓症状。
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