| 单词 | pitch line |
| 释义 | pitch linenoun Machinery.pitch circle. an imaginary line within the profiles of the teeth of a rack, such that it moves against, and at the same rate as, the pitch circle of an engaging pinion. Origin of pitch lineFirst recorded in 1790–1800 Words nearby pitch linepitching rotation, pitching tool, pitching wedge, pitch into, Pitch Lake, pitch line, pitchman, pitchometer, pitch on, pitchout, pitch pine Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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