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| 单词 | valve-line |
| 释义 | > as lemmasvalve-line valve-line n. ΚΠ 1871 Leisure Hour 8 Apr. 222/2 The balloon had been gyrating, and the valve-line become twisted. 1963 A. Smith Throw out Two Hands viii. 95 Above it [sc. the basket of a balloon]..were the valve line (for gentle release of gas) and the rip line (for a total release of gas). 1969 Gloss. Aeronaut. & Astronaut. Terms (B.S.I.) vii. 8 Valve line, a cord for the operation of a valve. < as lemmas |
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