单词	free ether
释义	free ether 自由以太
随便看	porous structures porous sub-jet radio porous substrate porous superabsorbent polymer porous superalloy porous wear-resistant parts porous weld porous support porous surface porous surface boundary layer porous surface tube porous surface tubes porous swarm mode porous swarm model porous tape porous Teflon porous temperature transmitter porous template method porous textile porous textiles porous thermal insulation porous thin film porous Ti porous TiAI alloy substrate porous TiAI intermetallic