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back-filling
agric., construct.	entulho das valas
transp., mil., grnd.forc., construct.	aterro
back filling
industr., construct.	passagem suplementar de reforço
mech.eng., construct.	betumar
transp.	reenchimento
back filling 2b
coal.	revestimento

back-filling: 1 phrase in 1 subject

Chemistry

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