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偏重于記事以事件發(fā)展為線索,偏重對事件的敘述。它可以是一個有頭有尾的故事,如許地山的《落花生》,也可以是幾個片斷的剪輯,如魯迅的《從百草園到三味書屋》。在敘事中傾注作者真摯的感情,這是與小說敘事最顯著的區(qū)別。偏重于記人全篇以人物為中心。它往往抓住人物的性格特征作粗線條勾勒,偏重表現(xiàn)人物的基本氣質(zhì)、性格和精神面貌,如魯迅《藤野先生》,人物形象是否真實是它與小說的區(qū)別。[3]
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青島人防設備公司位于青島市四方區(qū)長沙路61-1號,主營:手動密閉閥、手電動密閉閥、自動排氣活門、超壓排氣活門、油網(wǎng)除塵器、裝配鋼板儲油箱、不銹鋼洗消水箱、不銹鋼隔油器、人防門、人防封堵梁、人防封堵板等
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人防通風設備---插板閥
插板閥
主要產(chǎn)品有:防爆波閥門、防爆波地漏、不銹鋼防爆地漏、防爆超壓排氣活門、自動排氣活門、抗爆按鈕、手動密閉閥、手電動密閉閥、防爆清掃口、油網(wǎng)除塵器、電動腳踏兩用風機、U型測壓裝置、圓形插板閥、換氣堵頭、通風方式控制箱、通風方式信號燈箱等
一、圓形插板閥產(chǎn)品簡介
圓形插板閥適用于密封性要求較高的除塵和氣力輸送管道。閥板用£=2.0鋼板制造,閥體風管用£=1.5鋼板制造,如與系統(tǒng)風管壁厚不同時應按設計要求采用。
圓形插板閥結(jié)構尺寸圖
規(guī)格DD1Hn-?
DN2002702504058-9
DN3003853605789-11
DN40051549077312-12
DN50065062297512-14
DN600750720112512-13
DN800950920142516-17
DN100012051160180720-18
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