And there is a large circular gap at the centre of the blades, which is safer for Marine life.
在叶片中心有一个大的圆形空间，可以让水中生物安全通过。
Nonlinear finite element analysis, including 27 gap K-joints with square and circular hollow sections, has been carried out.
对27个主方支圆间隙K型相贯节点进行了非线性有限元分析。
Varied types of intersecting joints, including gap joint with positive eccentricity for the circular tubes and overlap joint for the square tubes, were also adopted in the design.
设计中还采用了多种形式的相贯节点，包括圆管正偏心的间隙接头及方管的搭接接头。
A special design of narrow gap SAW machine is developed in order to weld straight and circular joints at flat position.
研制了适合水平直焊缝和水平圆形焊缝的窄间隙埋弧焊专用焊机。
The gap element method is used to analyse two-dimensional elastoviscoplastic contact problem of circular tubes under explosive welding for the first time.
首次采用间隙元法求解金属圆管在爆炸焊接时的二维弹粘塑性大变形的接触问题，对圆管内包爆炸焊接的全过程作了详细分析。
Magnetic working substance area is circular arc with certain radial thickness, and has certain gap with stator permanent magnetism block.
磁工质区域为圆弧形，有一定的径向厚度，与定子永磁块间留有一定的间隙。
The only other deficiency was that the segment was not perfectly circular, due to the "free edge" of the sleeve seam which developed a slight gap, as it was not glued (see "other problems").
唯一的其他不足的是，这一部分是不完美的通告，由于“自由的边缘”。该套煤层开发了一种轻微的差距，因为它是不胶合板(见“其他问题”)。
A circular tube-like gap (S1) in which a plating liquid (17) flows is formed between the tubular electrode placed in the hollow section and an inner peripheral wall (14) of the hollow section.
圆管状间隙（S1）在放置在中空段内的管状电极与中空段的内周壁（14）之间形成，电镀液在该 间隙（S1）中流动。
A circular tube-like gap (S1) in which a plating liquid (17) flows is formed between the tubular electrode placed in the hollow section and an inner peripheral wall (14) of the hollow section.
圆管状间隙（S1）在放置在中空段内的管状电极与中空段的内周壁（14）之间形成，电镀液在该 间隙（S1）中流动。
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