stretcher chock踏步: mark time板: board; plank; plate木楔: chuck; glue; wood key踏步板: flier; foot pedal; stretcher; tread board楼梯踏步板: stair tread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:踏步板木楔，即可在微信中查询翻译
