词汇	pre-reservation
释义	pre-reservationCOCA¹⁹⁰⁹⁴⁵🌏预留
随便看	variable gradient theorem Variable granularity variable granularity storage method variable gravitational constant variable grid variable grid clustering variable grid leak variable-grid method variable groove depth variable grouping variable grouping method variable growth intercept model variable guide variable half vane variable hanger Variable has been aliased as variable-head flowmeter variable head permeability test variable head permeameter variable-head permeameter variable head torch variable-head variable-area flowmeter variable-head visco variable head viscometer variable head viscometre