Pyrophyllite is a key assistant material in production of synthetic diamond.
叶蜡石是高温高压合成金刚石的关键辅助材料。
Surface and assistant material area:Textile surface material, fabric, leather, leftover material etc.
面辅料展区：纺织面料、布艺、皮革、边角料等家具基材、辅材等。
The members include not only piston and piston pin manufacturers, but also academic institutes, colleges and universities, special machine and assistant material manufacturers.
会员的组成除了有活塞、活塞销生产单位外、还有科研和大专院校、专机和辅料生产单位等。
The members include not only piston and piston pin manufacturers, but also academic institutes, colleges and universities, special machine and assistant material manufacturers.
会员的组成除了有活塞、活塞销生产单位外、还有科研和大专院校、专机和辅料生产单位等。
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