片语
chemical-processing static seal化工静密封
polymeric solid static seal高聚物静态密封件
high pressure static seal高压静密封
rigid static seal刚性静密封
gland bush衬片;密封垫;轴套、衬套
frozen n static seal冷冻静态密封
frozen static seal冷冻静态密封
packing seal密封垫,[机] 填料密封
Static effectivewater seal静态有效水封
Static ring Seal Ring静环密封圈
Static gasket seal静态密封圈密封