nozzle ejection喷射: spout; spurt; jet多管喷管: multiple nozzle单管喷射泵: one-pipe jet pump; single-pipe jet pump单管喷射器: single tube injector; single-tube injector; single-tube sprayer双管喷射泵: two pipe jet pump; two-pipe jet pump下载手机词典可随时随地查词查翻译