A drop-legpipe connects the valves to the dead-headed diaphragm housing.
气体分流管将阀连接到滑封隔膜套。
2
Minutes later I lay beneath the bike, my right leg frying on the exhaust pipe.
几分钟后我就躺倒在摩托车下面，我的右腿搁在排气管上面。
3
Usually a pipe, known as a dip leg, is connected to this bottom outlet and, in catalytic cracking, serves to convey the solids back to the catalyst bed.