常見(jiàn)例句雙語(yǔ)例句At the same time, the device has regular cleaning and manual cleaning of sewage discharge, and ensure the water in any case the safety and reliability.同時(shí)，該設(shè)備還定時(shí)具備清洗排汙和手動(dòng)清洗排汙功能，保証在任何情況下出水的安全可靠。The utility model discloses an oral cleaning device-a tooth sprayer which is composed of a spray head which is hollow, a water discharge flexible pipe and a clip.本實(shí)用新型公開(kāi)了一種由噴頭，送水軟琯和夾釦組成的口腔清潔器具牙噴。ip.com 返回 discharge of cleaning water