crack valve
英
美
- 瓣阀
crack valve的相关资料：
临近单词
cracking
crack
cracklings tempering apparatus
crack tip sliding displacement
cracking resistance properties
crack along the shift direction
crack network in mined rockmass
cracks in landscape orientation
cracking strain limit criterion
crack formation and coalescence
Cracks in the existing pavement
cracks prevention and treatment
