单词	clean sandstone
释义	clean sandstone 纯砂岩
随便看	mechanical welding mechanical welding equipment mechanical winch mechanical wire brushing mechanical wobble mechanical wood mechanical wood-pulp mechanical wood pulp mechanical work mechanical working mechanical working properties mechanical working property mechanical working stress mechanical workingtechnique mechanical working technique mechanical workout mechanical workshop mechanical world view of nature mechanical wrench mechanical yielding prop mechanical zero mechanical zero adjuster mechanical zero setting mechanic arts mechanic bronchitis tzzh tzzj tzzy tzzz uu wa wafx wai wan wang 消化試合消印消却消去消去法消夏消失消尽消息消息筋