Terms for subject Drilling containing bumper

English	Chinese
block bumper	防碰天车
bottom hole bumper	底部减震器
bumper block	减震块
bumper block	减震垫座
bumper jar	下击器
bumper jar	震击器
bumper pile	缓冲桩
bumper pile	防碰桩
bumper ring	缓冲垫圈
bumper safety joint	震击器安全接头
bumper spring	减震器弹簧
bumper sub	伸缩节
bumper sub	震击器
crown block bumper	防碰天车
crown block bumper	天车防碰缓冲器
fishing bumper sub	打捞减震器
fishing bumper sub	打捞缓冲器
hexagonal bumper jar	六方震击器
jar bumper	震击器
link bumper	防吊环碰撞器
spring bumper	弹簧减震器
surface bumper jar	地面震击器
swivel bumper	水龙头吊环防碰器
travelling block bumper	防碰天车