valve bailer阀: established house or power g ...式: type; style砂: sand; grit筒: a section of thick bamboo肋骨式捞砂筒: rib-type bailer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:阀式捞砂筒，即可在微信中查询翻译
