For the circular lightning stroke ratio of high towers and poles the electrical geometric model analysis and calculation are recommended with consideration of influence of tile Angle.
高杆塔绕击率建议采用电气几何模型分析和计算，并考虑倾斜角影响。
Dry tile blades are continuous-rim blades used for chip-free cutting on tile saws, right-angle grinders and circular saws.
干瓦刀片连续环叶片芯片采用无削减瓷砖锯，直角研磨机和圆锯。
The metal tile can ensure no leakage as long as the roof is inclined at an angle larger than 0.4%; and the metal tile can extend or shrink freely under influence of thermal expansion.
只要屋面倾斜角度超过0.4％，金 属瓦可以保证绝对不渗漏，在热膨胀的影响下金属瓦能自由伸缩。
The metal tile can ensure no leakage as long as the roof is inclined at an angle larger than 0.4%; and the metal tile can extend or shrink freely under influence of thermal expansion.
只要屋面倾斜角度超过0.4％，金 属瓦可以保证绝对不渗漏，在热膨胀的影响下金属瓦能自由伸缩。
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