... down-hole packer 井下封隔器 down-hole performance 井下工作性能 down-hole recorder 井下自动记录仪 ...
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In addition, the size distribution room ventilation hole performance, lighting performance, kitchen layout, with pipelines, storage space must have reasonable.
另外,房间的面积分配、通风透气性能、采光性能、厨卫布置安排、管线配合、储藏空间等都要具有合理性。
Fifth, in the bearing seat bearing assembly hole size, the shape, the precision not good situation cannot display the optimum performance.
第五、轴承座轴承装配孔尺寸、形状、精度不好的情况下不能发挥出最佳性能。
They are with feature compact construction, light weight, moderate center hole and speed, reliable performance, and meet requirements of nc turning lathes.
具有外形尺寸小、重量轻、通孔和转速适中、性能可靠等特点,各项指标均能满足一般数控车床的需要。
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