gase造句

• Seraphim engineering co . , electronic component distributor solution provider - wired communication - gase tube
  幸贺股份有限公司，电子零件经销解决方案提供. -有线通讯- gase tube gdt
• The series h ? 2h ? h3 rotary piston vacuum pump is a sort of vacuum pro - duction equipment suitable for pumping ordinary gase and condensable gases ( when a gas ballast used )
  H3型系列滑阀式机械真空泵是抽除一般性气体或含有少量可凝性气体（此时应使用气镇）的真空获得设备之一。