| 释义 | 
             
                air return duct
                
            nonreturnableadj. 不能退还的,(容器)不能退给卖主的transconductancen. 跨导contraindicatev. 显示(治疗或处置)不当
 输精管shū jīng guǎn 
 spermaduct; deferent duct; seminiferous duct; testicular ducts泪管lèi guǎn 
 tear duct; lachrymal duct鳔管biào guǎn 
 pneumatic duct波导bō dǎo 
 waveguide; duct胆管dǎn guǎn 
 bile duct缪管miù guǎn 
 paramesonephric duct排泄管pái xiè guǎn 
 duct唾管tuò guǎn 
 salivary duct回车huí chē 
 carriage return; return; drawing-in回程huí chéng 
 backhaul; return stroke; return trip; back swing; return journey缪勒管miù lè guǎn 
 Mullerian duct输送管shū sòng guǎn 
 duct, pipage规模报酬guī mó bào chóu 
 returns to scale即日来回票jí rì lái huí piào 
 day return返fǎn 
 return抽气机chōu qì jī 
 air pump; air extractor; air exhauster打空dǎ kōng 
 fan the air扑空pū kōng 
 fan the air一级风yī jí fēng 
 light air股本回报率gǔ běn huí bào lǜ 
 return on equity运输业务报告yùn shū yè wù bào gào 
 traffic returns资本利润率zī běn lì rùn lǜ 
 return of equity胰管yí guǎn 
 ductus pancreaticus; pancreiatic duct回来huí lái 
 return; come back; be back; on one's return from; back装样子zhuāng yàng zǐ 
 put on air
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