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单词
humic substances
释义
humic substances
原型:
humic substances 是 humic substance 的复数
腐殖物质; 土壤和沉积物等中,除有机体中已知的各类有机化合物(非腐殖物质)以外的各种淡棕色至暗褐色的天然高分子化合物的总称。它由胡敏酸、富啡酸和胡敏素等三类物质组成。
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parachute jump
parachute jumper
parachute jumpers
parachute jumping
parachute kids
parachute lanyard
parachute lap pack
parachuteless
parachute life boat
parachute lower main lateral band
parachute main panel
parachute mine
parachute mitral valve
parachute, non-canopied
parachute opening
parachute-opening device
parachute-opening shock
parachute opening shock
parachute-opening shock injury
parachute opening shock tolerance
parachute opening speed
parachute oscillation
parachute pack
parachute panel
parachute panties
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更新时间:2026/5/23 18:04:05