英语词汇“pitchboard”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	pitchboard
释义	pitchboard 楼梯踏步三角定线板
随便看	fixed number truncated test fixed object fixed objective fixed objects fixed obligation fixed obliquity pelvis fixed observatory fixed oceanographic station fixed oceanographic stations of the world fixed-odds fixed odds fixed offshore installation fixed offshore platform fixed oil fixed oil production platform fixed oil radical fixed oils fixed on fixed open hearth furnace fixed operating sleeve fixed optical attenuators fixed optics fixed-orbit accelerator fixed order fixed ordering procedure 开笼放鸟，一去不回开筵面场圃，把酒话桑麻开篇现古，则千载共朝；削简传今，则万里对面。开红春灼灼，结实夏离离。开绿灯开缄不见新书迹，带粉犹残旧泪痕。开聪明，长才见，固资读书，若为质养性，必在行上得之。不然，虽读书万卷，所知似几于贤圣，其性情气量仍毫无异于乡人也。开脑筋开船不等客开船便遇打头风运程运笔运筹运筹学运算运粮河运能运营运行运行图