Culverts

例句:

• The entire lock can be filled or emptied in fifteen minutes and forty-two seconds when one culvert is used and seven minutes and fifty-one seconds, using both culverts. 佚名. 神奇的知识之书.
• He also sent a division along the James River Canal to destroy locks, culverts etc. 尤利西斯·格兰特. U．S．格兰特的个人回忆录.

康斯坦丁校对