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单词 guard-lock
释义

> as lemmas

guard-lock
guard-lock n. (see quots.).
ΘΚΠ
the world > the earth > water > lake > pool > [noun] > artificially confined water > contrivance for impounding water > gate, lock, or sluice
hatchOE
clowa1250
lock1261
water lock1261
sluice1340
water gate1390
sewer-gate1402
spay1415
floodgatec1440
shuttlec1440
spayer1450
gate1496
falling gate1524
spoye1528
gote1531
penstock1542
ventil1570
drawgate1587
flood-hatch1587
turnpike1623
slaker1664
lock gate1677
hatchway1705
flash1768
turnpike-lock1771
sluice-gate1781
pound-lock1783
stop-gate1790
buck gate1791
slacker1797
aboiteau1802
koker1814
guard-lock1815
falling sluice1819
lasher1840
fender1847
tailgate1875
weir-hatch1875
wicket1875
1815 Niles' Weekly Reg. 9 44/2 The boat, having entered the guard lock, went through the new canal.
1821 T. Dwight Trav. II. 353 [The canal] contains nine locks. The first, after the guard-lock, has a descent of six feet.
1840 H. S. Tanner Canals & Rail Roads U.S. 250 Guard lock, in canalling, is employed in maintaining the level of a canal, by preventing the encroachment of water from rivers, lakes, &c., when elevated beyond the prescribed level.
1875 E. H. Knight Pract. Dict. Mech. Guard-lock (Hydraulic Engineering), a tide-lock, forming a communication between a basin and tide-water.
extracted from guardn.
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更新时间:2025/3/16 3:19:14