canal head pivot 渠首枢纽
Dujiangyan Canal Head 都江堰渠首
canal head reconstruction 渠首改造
canal head of water diversion 引水渠首
north conveyance canal head engineering 北引渠首工程
Middle reaches canal head foundation is the non-cohesive soil, extremely loose silt sand.
中游渠首地基是粘粒极少、极松散的粉细沙层。
The implanting device comprises canal head, inner pipe, close end controller, middle pipe, wire pipe, outer protection mechanism, at least one locking wire and at lest one bracket pulling wire.
输放装置包括导管头、内管、 近端控制器、中管、导丝管、外保护机构、至少一根锁定丝和至少一根支架拉 线。
Her head was so full of dogs-her dog, really and truly hers-that the canal-laced city that might have enraptured her became a kind of blurry backdrop.
她满脑子里想着的都是各种各样的狗——她的狗,真真正正属于她的狗——而这座河道纵横、也许曾经带给她狂喜的水城,渐渐成了一块视线模糊的幕布。
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