off-stream pipe line 备用蒸汽管线
Next to it a boy leaned against the railings, his rod and line dangling out over the floating garbage and the stream of brown, stinking waste which trickled from a pipe in the wall below.
在它旁边有一个男孩依靠在围栏上,他的鱼竿和线悬荡在漂浮的垃圾和那股从下面墙上的管子里流淌出的褐色的、臭烘烘的污水上面。
If the index continues to stay within the up-stream pipe, it will gradually go up by the climbing support line.
假如指数始终停留在上升通道内,上升浪迟早会到来。
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