slip expansion joint滑: slippery; smooth式: type; style膨胀: expand; swell; dilate; infla ...接头: connect; join; joint波纹管式膨胀接头: bellows expansion joint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:滑套式膨胀接头,即可在微信中查询翻译