water tight jointwater-tight joint不透水: waterproof; watertight; impe ...缝: seam透水缝: infiltration slit; permeable joint不透水: waterproof; watertight; impermeable; imperviousness不透水坝: impervious dam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:不透水缝,即可在微信中查询翻译