通式 general expression; general formula; general normal equation; michinori; type formula
三通 1.[机械工程] triplet; tee; tee joint; [工业] wye; y; yoke2.(指通邮、通商、通航) “three exchanges”: exchanges of mails, trade, air and shipping services; the opening of postal, aviation and navigational services and commercial interflow◇三通管 three-way pipe; single sweep tee; t-branch (pipe); three-limb tube
馈通式 feed through system◇馈通式取样器 feed-through sampler
三通阀 change valve; cross valve; t-cock; t-port valve; t-valve; tee valve; three position valve; three way cock; three way valve; three-position valve; three-way ale; three-way isolating ale; three-way isolating valve; three-way valve; triple (tee) ales; triple (tee) valves; triple vale; triple valve; way valve
三通管 pipe tee; single sweep tee; t piece; t tee, tee branch; t-bend; t-pipe; tee bend; tee branch pipe; tee piece; tee pipe; three way pipe; three-limb tube; three-way connection; three-way joint; three-way pipe; three-way point; three-way tube; tpiece; wye; y-bend; y-piece; y-pipe; y-tube