Small corner in the pipe line or permitted under conditions of constant use of natural elbow.

在管道线路转角较小或条件容许的情况下常采用自然弯管法。

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This air valve is automatic device, it can exhaust air in the pipe line to reduce energy loss of system.

本阀属于自动阀类，能自动排除管路内的气体，减少管路系统的能量损失。

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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。

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More money was in the pipe line from his bank in Chicago.

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When Palin was Governor of Alaska, the state received money for the oil going in to the pipe line.

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It was through his involvement in setting up the first drill pipe coating production line sourced from the U.S. that a business opportunity began to emerge.

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