lower valve的例句大全

This valve a piston gas cell , its internal a closed gas-container lower enda piston.

该阀采用活塞气囊 式 内部为密封的容气腔.

The incidence of post-operational mitral valve regurgitation ( MVR) and pericardiac tamponade was lower in group 2 compared with group 1 ( P < 0.05).

组2术后出现二尖瓣返流Ⅱ级和Ⅲ级、急性心脏压塞的比例比组1少，分别为14.3%比28.2%，P<0.05；

the electric-hydraulic pusher devices of the upper and the lower gate valve are connected with a controller by cables.

所述的电液推杆装置上设有压力继电器，此压力继电器通过电缆与控制器相联接。

In order to lower the throttling losses in the CO 2 transcritical cycle, the significant measure is to replace the throttling valve by an expander.

为降低CO2跨临界循环的节流损失，开发膨胀机代替节流阀是研究的重要方向。