永久性壓密 的英文怎麼說
中文拼音 [yǒngjiǔxìngyāmì]
永久性壓密
英文
permanent compaction- 永 : Ⅰ副詞（永遠; 久遠） perpetually; forever; always Ⅱ名詞（姓氏） a surname
- 久 : Ⅰ形容詞（時間長） for a long time; long Ⅱ名詞（時間的長短） of a specified duration
- 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
- 壓 : 壓構詞成分。
- 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
- 永久性 : perpetual; permanency
- 永久 : permanent; perpetual; everlasting; forever; for good （and all）
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The valve seat shall be an elastomeric seal that will permit seating at low - head pressure, and an arrow shall be molded on the valve body for permanent visibility to indicate the intended direction of flow
閥座應該是彈性密封，它使得閥座處于較低的排出壓力下，箭頭應該永久性清晰可見地模鑄在閥體上，標明計劃的流向。Based on the foundation " liquefaction test study on the rapid railroad bed " supported by the railway department, some works on the liquefaction of silty soils have been carried out. in this dissertation, after making a short review of the works on seismically induced soil liquefaction, some research results are presented, which include the following contents. ( 1 ) depending on the dynamic triaxial test, the liquefaction strength of the silty soils is studied and two new models are proposed to evaluate the pore water pressure and the strain of the saturated silty soils during earthquake
結合鐵道部發展基金項目： 「高速鐵道液化土地基試驗測試研究」 ，本論文概括總結了地震液化的研究現狀，就滬蓉高速鐵路徐州段可液化場地粉土地基的液化特性問題開展了一些研究工作，內容如下： （ 1 ）提出了基於實用目的的粉土的孔隙水壓力增長模式和永久應變勢計算模型，並把此兩模型應用於場地的地震反應分析和地震液化性能的評價中；依靠循環振動三軸試驗技術，對粉土地基的地震液化強度進行了試驗研究；驗證了密實度是粉土液化的重要影響因素。Watts 994hmb fire hydrant backflow preventer meter construction consists of : meter housing, measuring element, permanently sealed register, and reduced pressure backflow preventer in unitized assembly
美國瓦茨994hmb消防栓防迴流閥儀表結構包括：儀表殼，測量元件，永久性密封記錄器，和在成套總成內的減壓防迴流閥。
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