单词	double walled
释义	double walled n.夹壁的
随便看	hydraulic standby reservoir hydraulic standing Hydraulic start and stop hydraulic starter hydraulic starting hydraulic starting system hydraulic state hydraulic static bearing hydraulic static cone penetrometer hydraulic static pile driver hydraulic static pile drivers hydraulic static pile engine hydraulic static pile pressing-in driver hydraulic static pressure hydraulic station hydraulic statistics hydraulic steel bar bender hydraulic steel-belt float transmitter hydraulic steel gate hydraulic steel gates hydraulic steel holder hydraulic steel radial gate hydraulic steel structure hydraulic steel support hydraulic steering