求翻译：放散管壁厚大于4mm，且装有阻火器，不设接闪杆，只设接地装置，接地电阻R≤10Ω。充气柱、加气机设防静电接地端子板，接地电阻R≤10Ω。是什么意思？

The vent pipe wall thickness greater than 4 mm and equipped with a flame arrester, no lightning rod, only to be grounded, grounding resistance r ≤ 10Ω. Inflatable column, aerated fortification static grounding terminal plate, grounding resistance r ≤ 10Ω.

The heat pipe wall thickness greater than 4 mm, and there will be a deterrent, it did not have access to firearms, only flash unit, and the earth ground resistance Ω R ≤ 10. Inflation-chu, the air pump arm static grounding terminal board, the grounding resistance Ω R ≤ 10.

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Diffusion tube wall thickness is greater than 4mm, and fitted with a flame arrester, without Flash, only grounding, grounding resistance r ≤ 10 ω. Inflatable pole, gas dispenser fortification static earthing terminal Board, grounding resistance r ≤ 10 ω.

Diffuses the tube wall thickness to be bigger than 4mm, also is loaded with the fire barrier, does not suppose meets dodges the pole, only supposes the grounding, the earth resistance R≤10Ω.Sufficient air column, Canadian internal combustion engine fortification static electricity earth terminal str