DictionaryForumContacts

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to phrases
oscillating motion
auto.
bridg.constr. 摆动; 摆动运动
busin. 中间值上下波动
met. 振动 (荡); 振荡; 振〔摆〕动
tech. 振荡运动
oscillating motion: 3 phrases in 2 subjects
Plastics1
Space2