阀座环–硬面阀座环焊入阀体内.Seat Ring – hard faced seat rings are welded to body.整体后座–硬面,使用寿命最长.Integral Backseat – hard faced for maximum backseat life.带有H的阀内件型号具有钴合金硬面阀座环表面.Trim numbers with H have cobalt alloy hard faced seat ring...
He had an irascible temper.他脾气暴躁。Laziness makes people irascible, and Xiangzi now grew pugnacious.懒,能使人脾气大.祥子现在知道怎样对人瞪眼.He was an irascible man.他是个脾气暴躁的人.He had to deal with holly bushes, nettles, hawthorns, eglantines ,...