橡胶板式伸缩缝装置
plank-rubbery retractile device
XF斜向支承式伸缩缝
expansion joint of XF slant supporting type
不可缩伸缩商
Non-decreasable dilatation
长伸缩式蒸汽吹灰器
lengthen and shorten mode steam blowing ash eguipment
充压伸缩式水封
pressure-filled telescopic water seal
充压伸缩式止水
Pressure-filled Telescopic Water Stop
磁致伸缩式换能器
magnetostriction transducer
磁致伸缩式收发机
magneto strictive transceiver
仿毛勒式伸缩缝
MaoLe′s contraction joint
活接式伸缩轴
articulated telescopic shaft
均热炉用伸缩式吊车
telescopic-type soaking pit crane