Chinese ⇄ English Russian

梯级式船闸
hydroel.st.	lock flight; locks flight; locks train
tech.	chain of locks; flight of locks; lock chain; lock flights; lock steps; train of locks
梯级船闸
el.	train of locks
tech.	series of locks
water.res.	flight lock

梯级 船闸: 10 phrases in 3 subjects

Electronics	1
Technology	8
Water resources	1