厌氧型平面密封胶 Anaerobic plane sealant

平衡型密封端面设计 Hydraulically Balanced Seal Face Design

平面密封 flat seal

乐泰厌氧型平面密封剂 Anaerobic Plane Sealant Letai

美制平面密封式 ORFS

真空橡胶密封平面法兰 Vacuum rubber seal plane flanges

平面密封胶 Gasket sealant adhesive

平面硬密封 plane hard airproof