固定底座：模具注塑一体成型，牢度强，不脱底。
Installation base: Injection of plastics from a complete mold, mounting panel strongly connected to the joint.
两门8毫米口径的机关枪分别被安装在车身两侧的球型固定底座上，做自卫之用。
Two additional Hotchkiss-type 8mm machine guns were fitted in positional ball mountings on either side of the upper hull for self-defense.
9700系列热保护器是由碟形高灵敏双金属元件、动触头、静触片、固定底座、外壳、耐温导线等组成。
RS-9700 series thermal protector consists of dish shape high sensitive bimetallic elemeng, movable contact-head, static contact-piece, soleplate, outer case, ghermal resistant lead and so on.
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