所有科技知识-科学时代

科学时代收录了3405121条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

bottom-loading belt	bottom lock	bottom log	bottom longitudinal	bottom loop
bottom loss	bottom mapping system	bottom margin	bottom marker	bottom mat
bottom material	bottom member	bottom meson	Bottom Metal	bottom metal
bottom mine	bottom moraine	bottom mordant	bottommost	bottommost element
bottom-mounted tsunami gage	bottom mud	bottom mud sampler	bottom number	bottom of rail
bottom of stack	bottom of stack register	bottom of swan neck stand	bottom of thread	bottom oil
bottom oiler	bottom outlet	bottom outlet diversion	bottom outlet gate	bottom outlet pipe
bottom out rigger	bottom oxide	Bottom oxide	bottom oxide layer	bottom padding roller
bottom paint	bottom painting	bottom paints	bottom paper	bottom part
bottom peat	bottom phase	bottom photoresist layer	bottom pillar	bottom pintle
bottom plank	bottom plate	bottom plating	bottom plough	bottom plough （plow)
bottom plow	bottom plug	bottom pocket	Bottom potential	bottom pouring
bottom pouring ladle	bottom pouring stopper ladle	bottom pouring unit	bottom pour ladle	bottom pour mold
bottom product	bottom quantum number	bottom quark	bottom rail	bottom rake
bottom recessive	bottom recessive; recessive homozygote	bottom-reflected	bottom-reflected ray	bottom reflection
bottom reflector	bottom residue	bottom retrieval	bottom reverberation	bottom ring
bottom roll	bottom roller	bottom roughness	bottom rudder	bottomry
bottomry bond	bottomry bondholder	bottomry lien	bottomry; respondentia	bottoms
bottom sample	bottom sampler	bottom sampling	bottom sand	bottom sand sampler
bottom saw wheel	bottom scattering strength	bottom sealing layer	bottom search	bottom seat
bottom-seated power plant	bottom-seated wave-absorbing breakwater	bottom section	bottom sediment	bottom sediment chart
bottom sediment dredger	bottom sediment treatment	bottomset	bottom-set bed	bottom set-net; bottom fixed set-net
bottom setting	bottom shade	bottom shaft	bottom shaft wheel	bottom shear force
bottom shear stress	bottom sheathing	bottom shed	bottom shedding	bottom shelves
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