| 单词 | tight |
| 释义 | tight [tīt] ENGINEERING 1. Unbroken, crack-free, and solid rock in which a naked hole will stand without caving. 2. A borehole made impermeable to water by cementation or casing. MECHANICAL ENGINEERING 1. Inadequate clearance or the barest minimum of clearance between working parts. 2. The absence of leaks in a pressure system. |
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