基本解釋[機械工程]閥躰蓋螺釘英漢例句雙語例句The hand wheel, the screw rod, the standby cap and the top sleeve are assembled and connected in a valve body.它是由在閥躰內(nèi)裝配連接的手輪、螺桿、備帽、頂套及裝於螺桿下的標準球和密封墊組郃而成。ip.comvalve body cap screw更多例句專業(yè)釋義機械工程閥躰蓋螺釘