词典 / 科技
back valve【机】;backpressure valve【机】;check-valve【机】
暂无补充释义。
bring back
bounce back
back of the throat
spine ( back bone )
book back gluing machine
cutter back-off【机】;cutter relieving【机】
back-rest with supporting profile for chairs
crepe-back satin
补充或纠正词条 →