hollow piece 中文意思是什麼

hollow piece 解釋
中空製品
  • hollow : vt 使成凹形，使成空洞，挖空 （out）。 river banks hollowed out by rushing water 被流水掏空的河岸...
  • piece : n 1 片；斷片，碎片；一部，部分，部件。2 〈作量詞〉一片，一幅，一匹，一塊，一件，一項，一番，一段...
  1. At the leipzig zoo, the scientists hid rewards such as grapes, banana slices or toy animals under a hollow piece of wood, an imitation bird ' s nest or an artificial hollow rock

    在萊比錫動物園，科學家把一些獎品，比如葡萄，香蕉片或者玩具動物，藏在一段中空的木頭，一個模擬鳥巢的下面或一個中空的人工石頭下面。
  2. At the leipzig zoo, the scientists hid rewards such as grapes, banana slices or toy animals under either a hollow piece of wood, an imitation bird ' s nest or an artificial hollow rock

    在萊比錫動物園科學家把一些獎賞比如葡萄，香蕉片或者玩具動物藏在一片中空的木頭，一個鳥巢的紡織品下面或一個人工中空的石頭下面。
  3. The new unit adopts hollow sucker rod working with pump and as fluid passage instead of conventional sucker rod, and uses a new hanger to fix the one - piece barrel rod pump on the casing wall, improving the operation stability of the subsurface pump

    針對這種情況，大港油田新世紀機械製造有限公司研製成功一種新型無油管採油裝置，這種裝置以空心抽油桿代替實心抽油桿帶泵工作併兼作出油流道，還通過一種新型懸掛器將整筒抽油泵固定在套管壁上，提高了抽油泵的工作穩定性。
  4. When solid components are produced, the form is rolled from a blank with a smaller diameter than the finished piece ; with hollow products the starting diameter can usually be maintained or allowed to increase as required

    加工實心工件時，以相對成型工件較小的直徑開始輥壓；加工空心工件，通常初始輥壓直徑可以不變或安要求加大。
  5. At the leipzig zoo, the scientists hid rewards such as grapes, banana slices or toy animals under either a hollow piece of wood, an imitation bird s nest or an artificial hollow rock

    在萊比錫動物園，科學家們把如葡萄香蕉片動物玩具等獎品放入空木頭假鳥窩或者人造空石頭裏面。
  6. In addition, 4 pieces of prestressed small - sized concrete hollow block masonry models and 1 piece of normal concrete hollow block masonry model are tested under frequency low - cyclic static load. some seismic behaviors such as strain - stress curve and ductility of the prestressed masonry were analyzed

    進行了4片預應力砌塊砌體墻和1片對比用普通墻的低周反復荷載試驗，分析了預應力砌體的滯回曲線、延性等抗震性能。
  7. We designed five walls for simulate both sides of the top floor. proceeded to add unilateral horizontal static loading experiment to 4 pieces of prestressed small - sized concrete hollow block masonry models and 1 piece of normal concrete hollow block masonry model. crack - resistance behaviors were analyzed, and we have proceeded prestressing loss survey for 25 days, and discussed the reasons of prestressing loss

    模擬房屋頂層兩端單元設計試驗模型，進行了4片預應力砌塊砌體墻和1片對比普通墻體水平單調靜力加載試驗，並且進行了25天的預應力損失觀測，探討了預應力損失和加載過程中預應力筋應力的變化等問題，分析了預應力砌體的抗裂性能。
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