自行: by oneself通风: ventilate; air自行通风的: self ventilated; self-ventilated自行通风式电动机: self-ventilated motor自行通风式电机: self-ventilated machine下行通风: descentional ventilation; downward ventilation多路平行通风: multipleventilation行通: yukimichi自行: 1.(自己做) by oneself 自行处理 settle (the matter) by oneself; 自行安排 make arrangements by oneself; 自行设计制造 be designed and made by oneself; 自行制定政策 decide policies on one's own2.(自动) of oneself; of one's own accord; voluntarily 自行到来 come of itself; 反动派决不会自行退出历史舞台。 the reactionaries will never, of their own accord, step down from the stage of history.3.[天文学] proper motion; self-powered4.[地] auto-morphic; 自行火箭炮 self-propelled rocket launcher; 自行火炮 self-propelled artillery [gun] 通风: 1.(使空气流通) ventilate; air 让室内通通风 ventilate a room2.(透气) be well ventilated 炉子不通风。 the stove doesn't draw well.3.(透露消息) divulge information; tip-off 向某人通风报信 give secret information to sb.; tip sb. off4.[工业] ventilation; draughtiness; perflation; 通风舱 ventilated compartment; 通风除尘 dust removal by ventilation; 通风道 air-duct; ventilating duct; fan drift; vent gutter; ventiduct; ventilation duct; 通风管道 air conduit; ventilating duct; 通风巷道 airway; aircourse; 通风机 ventilator; air machine; low-pressure fan; ventilating fan; ventilating machine; ventilation fanner; 通风井 air well; by-pit; 通风口 spiracle; air-vent; 通风设备 draught apparatus; draught equipment; ventilating device; ventilating equipment; ventilation equipment; ventilation installation; ventilation plant; 通风装置 register; ventilating plant; ventilating unit; ventilation device 下行通路下行通路: descending pathway并行通道: parallel channel并行通信: concurrent communication; parallel communications并行通讯: communications, parallel; parallel communications串行通信: serial communications串行通讯: communications, serial; serial communications串行通讯口: serial communication interface放行通知: rleasing notice飞行通信帽: aviaition communication helmet飞行通知单: flight card; flight notification航行通告: admiralty notices to mariners; notice to navigator; noticetonavigator; the origination of notam航行通告报: notam message航行通告室: dnotam office航行通知: notice to airmen; ordering of vessel进行通信: to carry out communications; to communicate