压铸铜件的模具材料应该使用什么？

 溃疟簧ン家ㄣ溃疟簧ン匡拒

溃疟簧ン筁祘い匡拒続家ㄣ闽璶ぃ疭翴ぃ穦紇臫簧ン借秖㎝ネ玻瞯ê溃疟簧ン家ㄣ莱赣ㄏノぐ㎡セゅ盢眤秆氮硂拜肈

溃疟簧ン筁祘い匡拒続家ㄣ闽璶ぃ疭翴ぃ穦紇臫簧ン借秖㎝ネ玻瞯ê溃疟簧ン家ㄣ莱赣ㄏノぐ㎡セゅ盢眤秆氮硂拜肈

盽ノ溃疟簧ン家ㄣ

盽ノ溃疟簧ン家ㄣ

溃疟簧ン家ㄣΤ贺盽ノΤH138407㎝2738单家ㄣ葵の綯单ㄤいH13家ㄣ葵琌程盽ǎ家ㄣぇ

ㄤ祑蔼瑻縤┦眏続ノу秖ネ玻盽砏へ簧ンτ8407家ㄣ葵纔翴玥ㄤ蔼放к┦㎝眏続ノ蔼放兵ン簧ン溃疟2738家ㄣ葵Τ摸疭翴癸耕瑻籊籯綯家ㄣ玥続ノу秖ネ玻㎝刚ㄤ旧荐┦е床荐搭ぶ家ㄣ跑㎝穕端┦

溃疟簧ン家ㄣΤ贺盽ノΤH138407㎝2738单家ㄣ葵の綯单ㄤいH13家ㄣ葵琌程盽ǎ家ㄣぇㄤ祑蔼瑻縤┦眏続ノу秖ネ玻盽砏へ簧ンτ8407家ㄣ葵纔翴玥ㄤ蔼放к┦㎝眏続ノ蔼放兵ン簧ン溃疟2738家ㄣ葵Τ摸疭翴癸耕瑻籊籯綯家ㄣ玥続ノу秖ネ玻㎝刚ㄤ旧荐┦е床荐搭ぶ家ㄣ跑㎝穕端┦

匡拒程続家ㄣ

匡拒程続家ㄣ

匡拒続溃疟簧ン家ㄣ惠璶σ納琌簧ン㎝ぃ㎝簧ン惠璶ぃ┦借家ㄣㄓ秈︽ネ玻ㄤΩ琌ネ玻秖㎝ネ玻㏄戳у秖

ネ玻惠璶ㄏノ瑻ノ家ㄣ玂靡ネ玻瞯㎝玻珇借秖τу秖┪刚玥ㄏノΘセ綯家ㄣ程琌箇衡㎝蝴臔Θセぃ家ㄣ基ぃ蝴臔Θセぃ惠璶沮龟悔薄猵秈︽匡拒

匡拒続溃疟簧ン家ㄣ惠璶σ納琌簧ン㎝ぃ㎝簧ン惠璶ぃ┦借家ㄣㄓ秈︽ネ玻ㄤΩ琌ネ玻秖㎝ネ玻㏄戳у秖ネ玻惠璶ㄏノ瑻ノ家ㄣ玂靡ネ玻瞯㎝玻珇借秖τу秖┪刚玥ㄏノΘセ綯家ㄣ程琌箇衡㎝蝴臔Θセぃ家ㄣ基ぃ蝴臔Θセぃ惠璶沮龟悔薄猵秈︽匡拒

挡阶

挡阶

匡拒続家ㄣ癸溃疟簧ン闽璶秈︽匡拒玡惠璶σ納簧ン㎝ネ玻秖㎝ネ玻㏄戳箇衡㎝蝴臔Θセ单獺硄筁秆セゅ┮ざ残盽ǎ家ㄣ疭翴㎝続ノ初春眤竒Τ匡拒よ

匡拒続家ㄣ癸溃疟簧ン闽璶秈︽匡拒玡惠璶σ納簧ン㎝ネ玻秖㎝ネ玻㏄戳箇衡㎝蝴臔Θセ单獺硄筁秆セゅ┮ざ残盽ǎ家ㄣ疭翴㎝続ノ初春眤竒Τ匡拒よ