SingaporeMathematicalOlympiadTrainingHandbookSec1
ProblemSolvingstrategiesforMathOlympiads
Overhead-Power-Lines-the-Planning-Design-Construction
everything
MSSSP-85-2002法兰端和螺纹端灰铸铁截止阀和角阀GRAYIROngLOBEAngLEVALVESFLAngEDANDthREADEDENDS
MSSSP-72BALLVALVESWIthFLAngEDORBUTT-WELDIngENDSFORGENERALSERVICE
JISB2207-1995Basisforcalculationofaluminiumalloypipeflangeswithfullfacegasket
EN1111-1998Sanitarytapware–thermostaticmixingvalves(PN10)–Generaltechnicalspecification
DistrictCoolingtheoryandPractice
CNS13134-1993建筑用接头气密性之实验室试验法(MethodofTestforAirTightnessofBuildingJointsinLaboratory)