الأخبار الصناعية
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استخدام وتشغيل نصف مقطورات
Before using the new car, all external connections and fasteners must be inspected and tightened. Pay particular attention to whether the spring washers, cotter pins, and other locking installations are correctly and securely installed. 1. Connection of semi-trailer and tractor (1) Before ...قراءة المزيد
