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科学参考收录了1248194条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

bottom flowing pressure bottom flue bottom flushing of sediment bottom gate bottom gating
bottom gear bottom girder bottom glade bottom glass bottom grass
bottom gravimeter bottom grazing bottom half bottom head bottom (head)
bottom heading bottom heat bottom heating bottom-hinged inswinging window bottom hold
bottom hole bottom-hole choke bottom hole packer bottom hole pressure bottom hole pump
bottom-hole samples (石油) bottom hole separator bottom hopper barge bottom ice bottoming
bottoming bending die bottoming bit bottoming drill bottoming hand tap bottoming machine
bottoming reamer bottoming tap bottom intake rack bottom inwall line bottom kerf
bottom knockout bottomland bottom land bottom land forest bottom layer
bottom lead type bottom leaf bottom life bottom line of teeth bottom liner
bottom line (损益表中最末一行) bottom lining bottom load bottom-loading conveyer bottom longitudinal
bottom (lower) chord bottom margin bottom matter bottom member bottom mine
bottom moulding box bottom (moulding) box bottom-mounted current meter bottom-mounted mooring pylon bottom-mounted tide recorder
bottom-mounted wave direction meter bottommounted wave recorder analyzer bottom mud bottom note bottom of foundation
bottom of hole bottom of sedimentary bottom of slot bottom of stack bottom of the blade
bottom of the excavation bottom of the hearth bottom of thread bottom oil bottom or rooted member of a graft
bottom out bottom outlet hole bottom outlet orifice bottom packer bottom paint
bottom pass bottom pavement bottom paving bottom pinch roll bottom pitch
bottom-plank ton sampler bottom plate bottom plate of column bottom plate screw bottom plating
bottom plow bottom plow with subsoiler bottom pouring bottom pour ladle bottom-pour mold
bottom pressure bottom price bottom priming bottom probe bottom product
bottom prop bottom punch bottom radius bottom rake bottom ramming machine
bottom recessive bottom reflector bottom reverberation bottom ring bottom ripple
bottom roll bottom roller bottom rot bottom running bottomry
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