(e) Determine one-1 shows a robot arm that's created up of two sections Arm1 and Arm2 . Arm1 can rotate close to the shoulder joint A, when Arm2 is linked to Arm1 at the elbow joint B, and can rotate close to the joint B. 在复合句中的某些从句中,尤其是宾语从句,从句时态要和主句时态保持一致。 The aims for Project http://summary01244.blogadvize.com/15223310/top-英国summary代写-secrets