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銆€銆€閳归潚閵呯殑鐗岃櫉(h脿o):

銆€銆€1.涓湅(gu贸):QBe2, QBe1.7

銆€銆€2.缇庡湅(gu贸)(ASTM):C17200, C17000

銆€銆€3.缇庡湅(gu贸)(CDA):172, 170

銆€銆€4.寰峰湅(gu贸)(DIN):QBe2, QBe1.7

銆€銆€5.寰峰湅(gu贸)(鏁�(sh霉)瀛楃郴绲�(t菕ng)):2.1247, 2.1245

銆€銆€6.鏃ユ湰:C1720, C1700