Created by huzieus 六年级科学 机械 Age 12 level: Grade 1 Chinese Author's Instructions 解释并举例以下简单机械的种类和其用途：斜面；杠杆；尖劈；齿轮； 螺旋；滑轮；轮轴。 My Google Classroom Courses × 0 classes selected (0 students total) Quick Access Select all classes (0 classes) All Classes Loading courses... Cancel Share Share to selected Course __COURSE_NAME__ __STUDENT_NAME__ (__STUDENT_EMAIL__) 简单机械 Download Worksheet Validation Check my answers Emails my answers to my teacher Full name Group/level School subject Teacher's email or key code Close Submit Validating worksheet... (12) Your answers have been sent to your teacher. Good luck! OK We encountered an error submitting your answers. Please try again. OK Advertisement | Go Ad Free Created by huzieus 六年级科学 机械 Age 12 level: Grade 1 Chinese Author's Instructions 解释并举例以下简单机械的种类和其用途：斜面；杠杆；尖劈；齿轮； 螺旋；滑轮；轮轴。
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