airtightadj.密封的;不透气的;无懈可击的
Airtight Catalytic Method密闭催化法
airtight microwave digestion密闭微波消解
Airtight Quick-Acting Door速关气密门
airtight blood return method密闭式回血
airtight model ofbattleplanes飞机空战模型
airtight inspecting equipment气密检查设备
airtight pressure-stable chamber密封稳压检查舱