outer perimeter短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 外周长 The two- pot caliper makes full use of the outer perimeter of the disc to provide strong stopping power. 两锅卡尺利用了光盘的外围充分利用提供强有力的制动力。 chiefinfo The room was dimly lit, with tables and chairs around the outer perimeter, several pool tables on one side, and an empty dance floor in the middle. 屋里面灯光幽暗,四周摆放着一圈桌椅,房间的一头有几张台球案子,正中是空无一人的舞池。 fortunechina