旁側(cè)供水(風(fēng))系統(tǒng)釬尾有內(nèi)外波形、梯形螺紋連接,用戶可根據(jù)需要單獨(dú)訂貨。 The separate flushing(air) system can be connected with shank adaptors by internal or
external rope thread or trapezoidal thread .The customers can order according
to their own requirements.