????????????·§
2ú?·Dío??o GIQ
2ú?·?ú???o DN40-1200
2ú?·?1á|?o 0.6~6.4Mpa
2ú?·2??ê?o ?y????2?Da????o??e???è
1¤×÷?1á|?o1.0Mpa-50.0Mpa
??GIQDí?-????????????·§
??GIQDí????????????·§ê?í¨1y??'????ò·§??±????··??ò???????'DD???×?y????·§×÷??±???????ó?óú?óí¨?ò?D??????1ü?·?D????á÷??êêó??é?ê?a'???????oí·???ê'D???ì????é????·'à?D?o?×°???°????·§???¨???÷??
?? ?÷òaá??t2?á?
?? ·§ì???·§????·§???oì????ò2?Da?? ?ü·a?t?o?????e?o??·ú?e?o??