Times of this order are deduced directly by measuring the length of the particle track in a bubble chamber.
这样量级的时间是通过测量粒子在气泡室中径迹长度直接得到的。
Range hypothesis vent plug and tube joint is not correct, then in the transformer oil injection will constitute a bubble chamber.
假设放气塞和管接头的方位不正确，那么在变压器注油以后会构成气泡腔。
Waterproof: for PEVA rubber material closed type air bubble structure, each of the gas chamber in close condition.
防水：材质为PEVA橡塑密闭型气泡结构，每个气室处于封闭状态。
Waterproof: for PEVA rubber material closed type air bubble structure, each of the gas chamber in close condition.
防水：材质为PEVA橡塑密闭型气泡结构，每个气室处于封闭状态。
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