| 释义 |
ˈhold-down
[f. phr. hold down (hold v. 35).]
1. A device to prevent material or apparatus from shifting or shaking. Also attrib.
1888Lockwood's Dict. Mech. Engin., Foundation Bolts... Also termed hold-down bolts. 1962J. Glenn in Into Orbit 188 Then the big hold-down clamps dropped away and I could feel us start to go. 1967Karch & Buber Offset Processes x. 465 Set the rear pile hold-down..to hold the rear edge of the sheet to the pile.
2. A judo grip.
1954E. Dominy Teach yourself Judo iii. 39 In judo contests, there are three recognised methods of obtaining a point. The first is by means of a clean throw, the second by means of a ‘Hold Down’. 1956K. Masuda tr. Tomiki's Judo iii. 91 In the practice of grappling, hold-downs, strangle-holds and bone-locks are connected with one another like the three sides of a triangle, the hold-downs being the base. |