| 单词 | dip-pipe |
| 释义 | > as lemmasdip-pipe dip-pipe n. a valve in the hydraulic main of gas works, etc., arranged to dip into water or tar, or other liquid, and form a seal; a seal-pipe. ΚΠ 1874 E. H. Knight Amer. Mech. Dict. I. 705/2 The seal-cup is charged with tar, which permits the movable dip-pipe to be lifted into or out of the main. < as lemmas |
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