水擊周期 的英文怎麼說
中文拼音 [shuǐjīzhōuqī]
水擊周期
英文
water hammer period-
In structural engineering, hydraulic concrete is often used for the construction of a cyclical bear or fresh water, sea water or ice scour, erosion, and the knock - on effect on the permeability of concrete used hydraulic structures, it has special requirements and regulations
摘要在工程結構中,水工混凝土是用以修建經常或周期性的承受淡水、海水或冰塊的沖刷、侵蝕、滲透和撞擊作用的水工建築物所用的混凝土,其有特殊的要求和規定。The sub - munitions - warfare is a kind of exactitude armament. taking full advantage of mature technology and pre - research work, the investigation and application of sub - munitions - warfare is possible at the present and suitable to our country ’ s missile in current use
某型號子母戰斗部以成熟的導彈武器型號為平臺,充分利用預研攻關成果和成熟技術,是一個預研周期較短、符合我國現有常規導彈武器研究水平的精確打擊武器。Johnson, who injured his knee in palace ' s 3 - 2 defeat against reading last week, underwent an exploratory operation that confirmed the extent of the damage
約翰遜,在水晶宮上周3 : 2擊敗reading的比賽中受傷,在經過檢查后,確定他的缺戰期限。
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