奇石文化
the wonderful stone inscription
气喷旋冲湿式石灰石-石膏法
technology of swirl jet tower
气烧石灰竖窑
Gas line burnig shaft farnace
gas-burning lime shaft kiln
气卸散装电石粉车
bulk-calcium carbide pneumatic delivery tanker
bulk-coal powder pneumatic delivery tanker
气压弹道-超声碎石清石系统
Tract percutaneous nephrolithotomy
汽车用石英钟
Quartz clocks for vehices
汽车用液化石油气
automobile used liquefied petroleum liquid