萍
duckweed
萍蓬草
pond lily
萍蓬草碱
nupharidine
萍蓬碱
nupharine
萍蓬汀
nupharidine
萍篷草
Nuphar pumilum
萍篷草属
Nuphar
萍踪
tracks of a wanderer
喷淋水
shower water; spray water
喷淋水管
spray header
喷射水
injection water
喷射水泥砂浆
gunite; shotcrete
喷水
spraying
喷水管
spray (water)pipe; water nozzle
喷水井
artesian well
喷水空气泵
ejector water air pump; water jet air ejector
喷水冷凝器
water jet condenser
喷水凝气式泵
jet condenser pump
喷水凝汽器
jet condenser
喷水器
sprayer; water jet