On the basis of reform on the dusting system of graphite machining, using inserting pole processing, the work circumstance of workers are improved.
在石墨加工除尘系统的基础上，为适应塞棒加工，改造其除尘装置，以改善工人的劳动环境。
2
The packer and telescopic tube are designed to a whole body and V-shaped inflatable graphite sealing ring is used to form the sealing system, ensuring the sealing performance of.
The experiments indicate that the fire-endurance effect was consanguineously correlative with dosages of the matrix resins, flame-retardant system, expandable graphite and pigment-fillers.