[机]?双弯头
... twin drive 功率分轴式双电动机传动 twin elbow 双弯头 twin elbow 双弯弯管 ...
?双弯弯管
... twin elbow 双弯头 twin elbow 双弯弯管 twin engine single-shaft system 双机单轴式 ...
?双肘管
... twin diesel 双柴油机 twin elbow 双肘管 twin engine 双发动机 ...
异径三通双弯接头
双联内牙弯头
金红石双晶
He has twin 8-year-olds, and they need some elbow room, he says.
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。