**Table 3:** Comparison between our results and the study of Najarro et al. (2004) for the five stars in common. For each star, the first row gives our results, and the second one the results of Najarro et al. (2004). Only the main parameters are listed.
Star	ST	$T_{{\rm eff}}$	$\log \frac{L}{L_{\odot}}$	$\log \frac{\dot{M}}{\sqrt{f}}$	$v_{\infty }$	He/H	X(C)	X(N)
		[kK]		[ $M_{\odot }$ yr^-1]	[km s^-1]		(%)	(%)
3	WN8-9h	29.6	6.10	-4.10	800	0.6	0.069	2.8
		27.9	6.01	-4.17	840	0.5	0.020	1.7
4	WN7-8h	36.8	6.30	-3.85	1400	0.4	0.018	2.1
		33.2	6.22	-4.07	1400	0.57	0.030	1.4
8	WN8-9h	32.9	6.10	-4.00	1000	1.0	0.023	1.6
		30.9	6.27	-3.80	1100	0.67	0.020	1.6
10	O4-6If⁺	32.2	5.95	-4.80	1600	0.1	0.170	0.4
		30.7	6.27	-4.87	<1000	0.33	0.080	0.6
15	O4-6If⁺	35.6	6.15	-4.60	2400	0.1	0.067	0.5
		29.5	5.77	-4.54	<1000	0.33	0.150	0.6

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