题目:
燃气输配常用的阀门有:安全阀、截止阀、球阀、蝶阀、闸阀、止回阀、调节阀、电磁阀、旋塞阀、针型阀等。
答案:
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参考答案:C解析:excessive pressure on management and employees to meet internal targets is the risk factor related to incentives and pressures for fraud. The earnings qualit...