用“sewer gas”造句大全，sewer gas造句
Itgivesoffthegashydrogensulfide,whicheveninsmallconcentrationsislethal.Peoplegenerallycallthegas"sewergas."aU-shapedsectionofdrainpipethatholdsliquidandsopreventsareturnflowofsewergas.Adeviceforseal...
用“sewer system”造句大全，sewer system造句
"Caoexposedthecause:flawsinthecity'ssewersystem,"itsaidinastatement.Thereisnosewersystemintheareaandallthewastesflowdowntheditches.OneofthelatestcasualtiesisthesewersystemofJeffersoncounty,Alabama....
用“sewer line”造句大全，sewer line造句
Morethan6millionpeopleremainunconnectedtoanysewerline(mainlybecausetheyliveinunauthorizedhousingsettlements),andtheirwastewaterflowsintoopendrains.IBMisalsoworkingwiththeWashington,D.C.,WaterandsewerA...
用“combined sewer”造句大全，combined sewer造句
WastewaterqualitystandardsfordischargingintothecombinedsewersystemIscombinedseweroverflowspillfrequency/volumeagoodindicatorofreceivingwaterqualityimpact?...
用“sewer pipe”造句大全，sewer pipe造句
Heapproachestheceramicsewerpipeandkneelsbeforeit.StayovernightinaconcretesewerpipeonthebanksoftheRiverDanube.Theutilitymodelprovidesaseparationdeviceusedforseparatingsewagefromsundriesinasewerpipe,whi...
用“sewer”造句大全，sewer造句
Throughthesewer.Thesewerischokedupwithrubbish.Thesewerinthetoiletwasblocked.This,werepeat,wasthesewerofthepast.Shebecamethebestsewerinthefactory.Theboykickedastoneintothesewer.Itwasthegloomystarofthep...