double ring valve 中文意思是什麼
double ring valve
解釋
雙環閥-
The further typical features of the heimeier thermostatic valve such as the double o - ring sealing, the m 30 x 1. 5 adaptor, the gunmetal casing with optimised flow or the excellent user friendliness were the reasons for the unparalleled triumphal march of the heimeier thermostatic valve
Heimeier溫控閥的其它典型特性,譬如雙重o形密封圈m30x1 . 5接頭紅銅外殼或者是便於操作的特點,均是heimeier溫控閥獲得成功的原因所在。
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