plunging joint允许: permit; allow; enable; allow ...轴向: axial位移: displacement; shift; drift; ...的: 4次方是 The fourth power of 2 i ...联轴节: shaft coupling; coupling; ra ...下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:允许轴向位移的联轴节，即可在微信中查询翻译
