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后座阀
meaning in English
back-seated valve
Examples
Backseat ? machined bonnet stem bushing provides back - up stem seal
后座-经过精密加工的阀盖阀杆衬套实现
后座阀
杆密封。
Related Words
后座弹簧栓
后座盾板
后座飞行
后座飞行操纵
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