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- Motor actuators for rising stem valves can be powered by air, gas, hydraulic or electric power. 用于升降阀杆(明杆)阀门的马达执行机构可以采用空气、燃气、液体或电力作为动力。
- stem valve self-sealing coupling 推杆阀自封接头
- The connecting rod may drive a valve stem directly. 连杆可以直接带动阀门的把柄。
- Have you turned off the water valve? 你关掉水阀了吗？
- Attach threaded end of stem to the brass valve arm. 将杆螺纹端附加到黄铜臂上。
- The arrangement of leaves on a stem. 叶序茎上叶子的排列次序
- I've read the book from stem to stern. 这本书我已从头至尾读完。
- Measures have been taken to stem inflation. 已采取措施抑制通货膨胀。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- The liner has been refitted from stem to stern. 那艘班轮已经全面整修。
- He descended from an ancient stem. 他出身于一个古老的家系。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- Next to or facing the main stem or axis. 近茎轴一侧的紧挨着主茎或轴的，面向主茎或轴的
- A plant having no permanent woody stem; an herb. 草本植物，花草没有永久木茎的植物; 草本植物
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
- A glass, usually with a stem, from which wine is drunk. 酒杯喝酒的玻璃杯，通常有柄脚
- A Turkish tobacco pipe with a long stem and a red clay bowl. 土耳其长烟管一种有长杆和红色的黏土做的烟斗的土耳其的烟管
- The exhaust valve on my car have burn out three times. 我车子上的排气阀已烧坏三次。
- The sap flowed out when he broke the stem of the flower. 他把花茎折断，汁液就流了出来。
- The sea ran high, and swept the little craft from stem to stern. 海面上风急浪高,小船从头至尾都被浪头冲刷著。
