(b) accumulation; the perfect examination of electrical control circuits or exposure of the pyrotechnic circuits, electromagnetic valves, no leaks in the pyrotechnic connections, the blocking of six months of the single-direction valve opening of the gas-added gun, which normally adds gas to the vehicle and removes impurities from the medium pressure or high-voltage electromagnetic valves, suspends the operation of a machine for the sale of gas; and expands the convulsion unit。
