问题
填空题
煤粉仓内必须使用（）V的行灯，橡皮线和灯头（）应良好，行灯不准埋入残留在煤粉仓内死角处的积粉内。
答案
参考答案：12；绝缘
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煤粉仓内必须使用（）V的行灯，橡皮线和灯头（）应良好，行灯不准埋入残留在煤粉仓内死角处的积粉内。
参考答案：12；绝缘
A．(A) We cannot compete with our rivals, since we have just started our business here.
B．(B) We want to have more customers, so we’re ready to make more favourable offers.
C．(C) We are unable to provide the best service here, because we do not have enough competitive advantage.
D．(D) We plan to merge our competitors in this area, as we are growing and have more customers.
