water conveyance by pipeline
water conveyance channel
a main water conveyance canal
adjusting water by using manure
Ammonia absorption by water vapour
anti-dust by water spray
aquaporin water channel
Arkley’s spinning wheel driven by water
blocking agaist water by grouting
break -off water discharge in the Yellow River channel
breaking rock by water jet
Building caverns by water
calculation of side channel water surface line
Caoejiang River Water Diversion Project