throttle valve body节: joint; knob; node汽阀: steam valve体: body; part of the body节汽阀: steam throttle valve节汽阀柄臂: throttle shaft arm下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:节汽阀体，即可在微信中查询翻译
