螺桿千斤頂 的英文怎麼說
中文拼音 [luógǎnqiānjīndǐng]
螺桿千斤頂
英文
jack screw- 螺 : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
- 桿 : 桿名詞(桿子) pole; staff
- 千 : Ⅰ數詞1. (十個百) thousand 2. (比喻很多) a great amount of; a great number of Ⅱ名詞(姓氏) a surname
- 斤 : Ⅰ量詞(重量單位) jin, a unit of weight (=1/2 kilogram)Ⅱ名詞1. (古代砍伐樹木的工具) axe; chopper2. (姓氏) a surname
- 頂 : i 名詞(人體或物體的最上部) crown; peak; top Ⅱ動詞1 (用頭支承) carry on the head 2 (從下面拱...
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In this test, a special bolt - jack is used to exent of prestressing force to brace angles as the whole structure is under dead - load. in this state brace angles withstand partly load before twice - load and the stress and strain of concrete are decreased. in this way the aim of removal of load and strengthening can be reached
本試驗中採用專用螺栓千斤頂在恆定荷載水平下對混凝土柱角鋼撐桿施加預壓應力,使外包角鋼在二次受力前即分擔部分荷載,使混凝土應力水平和應變水平降低,達到卸載與加固同步進行的目的。A usually portable device for raising heavy objects by means of force applied with a lever, screw, or hydraulic press
千斤頂,起重機通過杠桿、螺絲釘或水的壓力把重物提起的便攜式裝置
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