In each inflatable rescue boat,what piece of equipment is provided to make quick,emergency,temporary repairs to a large hole in a raft?().
A. No equipment is provided
B. Glue and rubber patches
C. Several various-sized sealing clamps
D. Self-adhesive rubberized canvas patche
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构成“维持横弓”的腱环是()
A. 胫骨前肌和胫骨后肌“肌腱”
B. 腓骨长肌和腓骨短肌“肌腱”
C. 腓骨长肌和胫骨前肌“肌健”
D. 趾长屈肌和腓骨长肌“肌腱&rdquo
采用插入式振捣器对基础、梁、柱进行振捣时,要做到()
A. 快插快拔
B. 快插慢拔
C. 慢插慢拔
D. 慢插快拔
小刚跟爸爸去自然保护区,他的下列哪种行为是被允许的?()
A. 攀折珍惜花卉
B. 野外烧烤
C. 拍照留念
D. 捕杀保护动物
利用公法线长度测量方法测直齿圆柱齿轮其优点是测量方便、简单、精确度高。
A. 正确
B. 错误