常见例句

The practice of subterrene drilling indicates that this method not only adapts to geothermal well, but also is a new pipeless reinforcement method to be applied widely.
热熔钻进的实践证明，该方法不仅适用于地热钻井，而且也可以作为一种新的无套管护壁方法推广应用。
pipeless heating and ventilation
无管供暖与通风设备,无管式采暖通风
The application of pipeless ultra-fine powder fire extinguishing system in cable tunnel
无管网超细干粉灭火系统在电缆隧道中的应用
pipeless system of heating
无管式采暖系统
pipeless triple valve
无管三通阀