directional testing 中文意思是什麼
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Hydraulic fluid power - valves - testing method of directional control valves
方向控制閥試驗方法 -
For bi - directional character set testing bidi : use the hebrew or arabic languages
對于雙向字符集（ bidi ）測試：使用希伯來語或阿拉伯語。 -
The laws between the composition, structure, quality of materials of lc - hpc is studied by means of sem, mip, and so on testing measures. the reaction of hydration and filling effect of mineral admixture not only reduces the proportion of pore of structure and sizes and odds directional crystal of the unfavorable crystal phases such as ch but also leads to the mining of pore size, so it the effect improves the weak structure of interface transition area
應用sem 、 mip等測試手段，研究lc - hpc組分、結構與性能之間的影響規律，礦物摻合料的活性、填充等效應，降低了混凝土結構孔隙率，細化了孔徑，減小了ch晶粒尺寸及定向結晶幾率，從而改善界面薄弱過渡區結構。 -
The study for the identical testing of the directional tube of rocket gun
火箭炮定向管一致性測試研究
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