luffing

英 ['lʌfɪŋ] 美 ['lʌfɪŋ]

• n. 俯仰运动(上下摆动；起重杆的升降)

英英释义

动词 luff:

1. sail close to the wind

2. flap when the wind is blowing equally on both sides

词汇搭配

• bridge crane with level luffing crane 装有起重杆升降设备的...